81637920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 432

約数和(自身を含む): 352923480

約数和(自身を除く): 271285560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 49, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 89, 90, 91, 96, 98, 104, 105, 112, 117, 120, 126, 130, 140, 144, 147, 156, 160, 168, 178, 180, 182, 195, 196, 208, 210, 224, 234, 240, 245, 252, 260, 267, 273, 280, 288, 294, 312, 315, 336, 356, 360, 364, 390, 392, 416, 420, 441, 445, 455, 468, 480, 490, 504, 520, 534, 546, 560, 585, 588, 623, 624, 630, 637, 672, 712, 720, 728, 735, 780, 784, 801, 819, 840, 882, 890, 910, 936, 980, 1008, 1040, 1068, 1092, 1120, 1157, 1170, 1176, 1246, 1248, 1260, 1274, 1335, 1365, 1424, 1440, 1456, 1470, 1560, 1568, 1602, 1638, 1680, 1764, 1780, 1820, 1869, 1872, 1911, 1960, 2016, 2080, 2136, 2184, 2205, 2314, 2340, 2352, 2492, 2520, 2548, 2670, 2730, 2848, 2912, 2940, 3115, 3120, 3185, 3204, 3276, 3360, 3471, 3528, 3560, 3640, 3738, 3744, 3822, 3920, 4005, 4095, 4272, 4361, 4368, 4410, 4628, 4680, 4704, 4984, 5040, 5096, 5340, 5460, 5607, 5733, 5785, 5880, 6230, 6240, 6370, 6408, 6552, 6942, 7056, 7120, 7280, 7476, 7644, 7840, 8010, 8099, 8190, 8544, 8722, 8736, 8820, 9256, 9345, 9360, 9555, 9968, 10080, 10192, 10413, 10680, 10920, 11214, 11466, 11570, 11760, 12460, 12740, 12816, 13083, 13104, 13884, 14112, 14240, 14560, 14952, 15288, 16020, 16198, 16380, 17355, 17444, 17640, 18512, 18690, 18720, 19110, 19936, 20384, 20826, 21360, 21805, 21840, 22428, 22932, 23140, 23520, 24297, 24920, 25480, 25632, 26166, 26208, 27768, 28035, 28665, 29904, 30576, 32040, 32396, 32760, 34710, 34888, 35280, 37024, 37380, 38220, 39249, 40495, 41652, 42720, 43610, 43680, 44856, 45864, 46280, 48594, 49840, 50960, 52065, 52332, 55536, 56070, 56693, 57330, 59808, 61152, 64080, 64792, 65415, 65520, 69420, 69776, 70560, 72891, 74760, 76440, 78498, 80990, 83304, 87220, 89712, 91728, 92560, 97188, 99680, 101920, 104130, 104664, 111072, 112140, 113386, 114660, 121485, 128160, 129584, 130830, 131040, 138840, 139552, 145782, 149520, 152880, 156996, 161980, 166608, 170079, 174440, 179424, 183456, 185120, 194376, 196245, 208260, 209328, 224280, 226772, 229320, 242970, 259168, 261660, 277680, 283465, 291564, 299040, 305760, 313992, 323960, 333216, 340158, 348880, 364455, 388752, 392490, 416520, 418656, 448560, 453544, 458640, 485940, 510237, 523320, 555360, 566930, 583128, 627984, 647920, 680316, 697760, 728910, 777504, 784980, 833040, 850395, 897120, 907088, 917280, 971880, 1020474, 1046640, 1133860, 1166256, 1255968, 1295840, 1360632, 1457820, 1569960, 1666080, 1700790, 1814176, 1943760, 2040948, 2093280, 2267720, 2332512, 2551185, 2721264, 2915640, 3139920, 3401580, 3887520, 4081896, 4535440, 5102370, 5442528, 5831280, 6279840, 6803160, 8163792, 9070880, 10204740, 11662560, 13606320, 16327584, 20409480, 27212640, 40818960, 81637920]

約数ペア:

[(1, 81637920), (2, 40818960), (3, 27212640), (4, 20409480), (5, 16327584), (6, 13606320), (7, 11662560), (8, 10204740), (9, 9070880), (10, 8163792), (12, 6803160), (13, 6279840), (14, 5831280), (15, 5442528), (16, 5102370), (18, 4535440), (20, 4081896), (21, 3887520), (24, 3401580), (26, 3139920), (28, 2915640), (30, 2721264), (32, 2551185), (35, 2332512), (36, 2267720), (39, 2093280), (40, 2040948), (42, 1943760), (45, 1814176), (48, 1700790), (49, 1666080), (52, 1569960), (56, 1457820), (60, 1360632), (63, 1295840), (65, 1255968), (70, 1166256), (72, 1133860), (78, 1046640), (80, 1020474), (84, 971880), (89, 917280), (90, 907088), (91, 897120), (96, 850395), (98, 833040), (104, 784980), (105, 777504), (112, 728910), (117, 697760), (120, 680316), (126, 647920), (130, 627984), (140, 583128), (144, 566930), (147, 555360), (156, 523320), (160, 510237), (168, 485940), (178, 458640), (180, 453544), (182, 448560), (195, 418656), (196, 416520), (208, 392490), (210, 388752), (224, 364455), (234, 348880), (240, 340158), (245, 333216), (252, 323960), (260, 313992), (267, 305760), (273, 299040), (280, 291564), (288, 283465), (294, 277680), (312, 261660), (315, 259168), (336, 242970), (356, 229320), (360, 226772), (364, 224280), (390, 209328), (392, 208260), (416, 196245), (420, 194376), (441, 185120), (445, 183456), (455, 179424), (468, 174440), (480, 170079), (490, 166608), (504, 161980), (520, 156996), (534, 152880), (546, 149520), (560, 145782), (585, 139552), (588, 138840), (623, 131040), (624, 130830), (630, 129584), (637, 128160), (672, 121485), (712, 114660), (720, 113386), (728, 112140), (735, 111072), (780, 104664), (784, 104130), (801, 101920), (819, 99680), (840, 97188), (882, 92560), (890, 91728), (910, 89712), (936, 87220), (980, 83304), (1008, 80990), (1040, 78498), (1068, 76440), (1092, 74760), (1120, 72891), (1157, 70560), (1170, 69776), (1176, 69420), (1246, 65520), (1248, 65415), (1260, 64792), (1274, 64080), (1335, 61152), (1365, 59808), (1424, 57330), (1440, 56693), (1456, 56070), (1470, 55536), (1560, 52332), (1568, 52065), (1602, 50960), (1638, 49840), (1680, 48594), (1764, 46280), (1780, 45864), (1820, 44856), (1869, 43680), (1872, 43610), (1911, 42720), (1960, 41652), (2016, 40495), (2080, 39249), (2136, 38220), (2184, 37380), (2205, 37024), (2314, 35280), (2340, 34888), (2352, 34710), (2492, 32760), (2520, 32396), (2548, 32040), (2670, 30576), (2730, 29904), (2848, 28665), (2912, 28035), (2940, 27768), (3115, 26208), (3120, 26166), (3185, 25632), (3204, 25480), (3276, 24920), (3360, 24297), (3471, 23520), (3528, 23140), (3560, 22932), (3640, 22428), (3738, 21840), (3744, 21805), (3822, 21360), (3920, 20826), (4005, 20384), (4095, 19936), (4272, 19110), (4361, 18720), (4368, 18690), (4410, 18512), (4628, 17640), (4680, 17444), (4704, 17355), (4984, 16380), (5040, 16198), (5096, 16020), (5340, 15288), (5460, 14952), (5607, 14560), (5733, 14240), (5785, 14112), (5880, 13884), (6230, 13104), (6240, 13083), (6370, 12816), (6408, 12740), (6552, 12460), (6942, 11760), (7056, 11570), (7120, 11466), (7280, 11214), (7476, 10920), (7644, 10680), (7840, 10413), (8010, 10192), (8099, 10080), (8190, 9968), (8544, 9555), (8722, 9360), (8736, 9345), (8820, 9256)]