681309720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2971}}^1$

素因数の和:3015

約数の個数: 288

約数和(自身を含む): 2774837520

約数和(自身を除く): 2093527800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 49, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 98, 104, 105, 117, 120, 126, 130, 140, 147, 156, 168, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 280, 294, 312, 315, 360, 364, 390, 392, 420, 441, 455, 468, 490, 504, 520, 546, 585, 588, 630, 637, 728, 735, 780, 819, 840, 882, 910, 936, 980, 1092, 1170, 1176, 1260, 1274, 1365, 1470, 1560, 1638, 1764, 1820, 1911, 1960, 2184, 2205, 2340, 2520, 2548, 2730, 2940, 2971, 3185, 3276, 3528, 3640, 3822, 4095, 4410, 4680, 5096, 5460, 5733, 5880, 5942, 6370, 6552, 7644, 8190, 8820, 8913, 9555, 10920, 11466, 11884, 12740, 14855, 15288, 16380, 17640, 17826, 19110, 20797, 22932, 23768, 25480, 26739, 28665, 29710, 32760, 35652, 38220, 38623, 41594, 44565, 45864, 53478, 57330, 59420, 62391, 71304, 76440, 77246, 83188, 89130, 103985, 106956, 114660, 115869, 118840, 124782, 133695, 145579, 154492, 166376, 178260, 187173, 193115, 207970, 213912, 229320, 231738, 249564, 267390, 270361, 291158, 308984, 311955, 347607, 356520, 374346, 386230, 415940, 436737, 463476, 499128, 534780, 540722, 579345, 582316, 623910, 695214, 727895, 748692, 772460, 811083, 831880, 873474, 926952, 935865, 1069560, 1081444, 1158690, 1164632, 1247820, 1310211, 1351805, 1390428, 1455790, 1497384, 1544920, 1622166, 1738035, 1746948, 1871730, 1892527, 2162888, 2183685, 2317380, 2433249, 2495640, 2620422, 2703610, 2780856, 2911580, 3244332, 3476070, 3493896, 3743460, 3785054, 4055415, 4367370, 4634760, 4866498, 5240844, 5407220, 5677581, 5823160, 6488664, 6551055, 6952140, 7486920, 7570108, 8110830, 8734740, 9462635, 9732996, 10481688, 10814440, 11355162, 12166245, 13102110, 13904280, 15140216, 16221660, 17032743, 17469480, 18925270, 19465992, 22710324, 24332490, 26204220, 28387905, 32443320, 34065486, 37850540, 45420648, 48664980, 52408440, 56775810, 68130972, 75701080, 85163715, 97329960, 113551620, 136261944, 170327430, 227103240, 340654860, 681309720]

約数ペア:

[(1, 681309720), (2, 340654860), (3, 227103240), (4, 170327430), (5, 136261944), (6, 113551620), (7, 97329960), (8, 85163715), (9, 75701080), (10, 68130972), (12, 56775810), (13, 52408440), (14, 48664980), (15, 45420648), (18, 37850540), (20, 34065486), (21, 32443320), (24, 28387905), (26, 26204220), (28, 24332490), (30, 22710324), (35, 19465992), (36, 18925270), (39, 17469480), (40, 17032743), (42, 16221660), (45, 15140216), (49, 13904280), (52, 13102110), (56, 12166245), (60, 11355162), (63, 10814440), (65, 10481688), (70, 9732996), (72, 9462635), (78, 8734740), (84, 8110830), (90, 7570108), (91, 7486920), (98, 6952140), (104, 6551055), (105, 6488664), (117, 5823160), (120, 5677581), (126, 5407220), (130, 5240844), (140, 4866498), (147, 4634760), (156, 4367370), (168, 4055415), (180, 3785054), (182, 3743460), (195, 3493896), (196, 3476070), (210, 3244332), (234, 2911580), (245, 2780856), (252, 2703610), (260, 2620422), (273, 2495640), (280, 2433249), (294, 2317380), (312, 2183685), (315, 2162888), (360, 1892527), (364, 1871730), (390, 1746948), (392, 1738035), (420, 1622166), (441, 1544920), (455, 1497384), (468, 1455790), (490, 1390428), (504, 1351805), (520, 1310211), (546, 1247820), (585, 1164632), (588, 1158690), (630, 1081444), (637, 1069560), (728, 935865), (735, 926952), (780, 873474), (819, 831880), (840, 811083), (882, 772460), (910, 748692), (936, 727895), (980, 695214), (1092, 623910), (1170, 582316), (1176, 579345), (1260, 540722), (1274, 534780), (1365, 499128), (1470, 463476), (1560, 436737), (1638, 415940), (1764, 386230), (1820, 374346), (1911, 356520), (1960, 347607), (2184, 311955), (2205, 308984), (2340, 291158), (2520, 270361), (2548, 267390), (2730, 249564), (2940, 231738), (2971, 229320), (3185, 213912), (3276, 207970), (3528, 193115), (3640, 187173), (3822, 178260), (4095, 166376), (4410, 154492), (4680, 145579), (5096, 133695), (5460, 124782), (5733, 118840), (5880, 115869), (5942, 114660), (6370, 106956), (6552, 103985), (7644, 89130), (8190, 83188), (8820, 77246), (8913, 76440), (9555, 71304), (10920, 62391), (11466, 59420), (11884, 57330), (12740, 53478), (14855, 45864), (15288, 44565), (16380, 41594), (17640, 38623), (17826, 38220), (19110, 35652), (20797, 32760), (22932, 29710), (23768, 28665), (25480, 26739)]