80725680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 320

約数和(自身を含む): 335692800

約数和(自身を除く): 254967120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 281, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 504, 513, 532, 540, 560, 562, 570, 630, 665, 684, 720, 756, 760, 798, 840, 843, 855, 912, 945, 1008, 1026, 1064, 1080, 1124, 1140, 1197, 1260, 1330, 1368, 1405, 1512, 1520, 1596, 1680, 1686, 1710, 1890, 1967, 1995, 2052, 2128, 2160, 2248, 2280, 2394, 2520, 2529, 2565, 2660, 2736, 2810, 3024, 3192, 3372, 3420, 3591, 3780, 3934, 3990, 4104, 4215, 4496, 4560, 4788, 5040, 5058, 5130, 5320, 5339, 5620, 5901, 5985, 6384, 6744, 6840, 7182, 7560, 7587, 7868, 7980, 8208, 8430, 9576, 9835, 10116, 10260, 10640, 10678, 11240, 11802, 11970, 12645, 13488, 13680, 14364, 15120, 15174, 15736, 15960, 16017, 16860, 17703, 17955, 19152, 19670, 20232, 20520, 21356, 22480, 23604, 23940, 25290, 26695, 28728, 29505, 30348, 31472, 31920, 32034, 33720, 35406, 35910, 37373, 37935, 39340, 40464, 41040, 42712, 47208, 47880, 48051, 50580, 53109, 53390, 57456, 59010, 60696, 64068, 67440, 70812, 71820, 74746, 75870, 78680, 80085, 85424, 88515, 94416, 95760, 96102, 101160, 106218, 106780, 112119, 118020, 121392, 128136, 141624, 143640, 144153, 149492, 151740, 157360, 160170, 177030, 186865, 192204, 202320, 212436, 213560, 224238, 236040, 240255, 256272, 265545, 283248, 287280, 288306, 298984, 303480, 320340, 336357, 354060, 373730, 384408, 424872, 427120, 448476, 472080, 480510, 531090, 560595, 576612, 597968, 606960, 640680, 672714, 708120, 720765, 747460, 768816, 849744, 896952, 961020, 1009071, 1062180, 1121190, 1153224, 1281360, 1345428, 1416240, 1441530, 1494920, 1681785, 1793904, 1922040, 2018142, 2124360, 2242380, 2306448, 2690856, 2883060, 2989840, 3363570, 3844080, 4036284, 4248720, 4484760, 5045355, 5381712, 5766120, 6727140, 8072568, 8969520, 10090710, 11532240, 13454280, 16145136, 20181420, 26908560, 40362840, 80725680]

約数ペア:

[(1, 80725680), (2, 40362840), (3, 26908560), (4, 20181420), (5, 16145136), (6, 13454280), (7, 11532240), (8, 10090710), (9, 8969520), (10, 8072568), (12, 6727140), (14, 5766120), (15, 5381712), (16, 5045355), (18, 4484760), (19, 4248720), (20, 4036284), (21, 3844080), (24, 3363570), (27, 2989840), (28, 2883060), (30, 2690856), (35, 2306448), (36, 2242380), (38, 2124360), (40, 2018142), (42, 1922040), (45, 1793904), (48, 1681785), (54, 1494920), (56, 1441530), (57, 1416240), (60, 1345428), (63, 1281360), (70, 1153224), (72, 1121190), (76, 1062180), (80, 1009071), (84, 961020), (90, 896952), (95, 849744), (105, 768816), (108, 747460), (112, 720765), (114, 708120), (120, 672714), (126, 640680), (133, 606960), (135, 597968), (140, 576612), (144, 560595), (152, 531090), (168, 480510), (171, 472080), (180, 448476), (189, 427120), (190, 424872), (210, 384408), (216, 373730), (228, 354060), (240, 336357), (252, 320340), (266, 303480), (270, 298984), (280, 288306), (281, 287280), (285, 283248), (304, 265545), (315, 256272), (336, 240255), (342, 236040), (360, 224238), (378, 213560), (380, 212436), (399, 202320), (420, 192204), (432, 186865), (456, 177030), (504, 160170), (513, 157360), (532, 151740), (540, 149492), (560, 144153), (562, 143640), (570, 141624), (630, 128136), (665, 121392), (684, 118020), (720, 112119), (756, 106780), (760, 106218), (798, 101160), (840, 96102), (843, 95760), (855, 94416), (912, 88515), (945, 85424), (1008, 80085), (1026, 78680), (1064, 75870), (1080, 74746), (1124, 71820), (1140, 70812), (1197, 67440), (1260, 64068), (1330, 60696), (1368, 59010), (1405, 57456), (1512, 53390), (1520, 53109), (1596, 50580), (1680, 48051), (1686, 47880), (1710, 47208), (1890, 42712), (1967, 41040), (1995, 40464), (2052, 39340), (2128, 37935), (2160, 37373), (2248, 35910), (2280, 35406), (2394, 33720), (2520, 32034), (2529, 31920), (2565, 31472), (2660, 30348), (2736, 29505), (2810, 28728), (3024, 26695), (3192, 25290), (3372, 23940), (3420, 23604), (3591, 22480), (3780, 21356), (3934, 20520), (3990, 20232), (4104, 19670), (4215, 19152), (4496, 17955), (4560, 17703), (4788, 16860), (5040, 16017), (5058, 15960), (5130, 15736), (5320, 15174), (5339, 15120), (5620, 14364), (5901, 13680), (5985, 13488), (6384, 12645), (6744, 11970), (6840, 11802), (7182, 11240), (7560, 10678), (7587, 10640), (7868, 10260), (7980, 10116), (8208, 9835), (8430, 9576)]