641373120

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3907}}^1$

素因数の和:3952

約数の個数: 224

約数和(自身を含む): 2382316800

約数和(自身を除く): 1740943680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 432, 456, 480, 513, 540, 570, 576, 608, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 2052, 2160, 2280, 2565, 2736, 2880, 3040, 3420, 3648, 3907, 4104, 4320, 4560, 5130, 5472, 6080, 6840, 7814, 8208, 8640, 9120, 10260, 10944, 11721, 13680, 15628, 16416, 18240, 19535, 20520, 23442, 27360, 31256, 32832, 35163, 39070, 41040, 46884, 54720, 58605, 62512, 70326, 74233, 78140, 82080, 93768, 105489, 117210, 125024, 140652, 148466, 156280, 164160, 175815, 187536, 210978, 222699, 234420, 250048, 281304, 296932, 312560, 351630, 371165, 375072, 421956, 445398, 468840, 527445, 562608, 593864, 625120, 668097, 703260, 742330, 750144, 843912, 890796, 937680, 1054890, 1113495, 1125216, 1187728, 1250240, 1336194, 1406520, 1484660, 1687824, 1781592, 1875360, 2004291, 2109780, 2226990, 2250432, 2375456, 2672388, 2813040, 2969320, 3340485, 3375648, 3563184, 3750720, 4008582, 4219560, 4453980, 4750912, 5344776, 5626080, 5938640, 6680970, 6751296, 7126368, 8017164, 8439120, 8907960, 10021455, 10689552, 11252160, 11877280, 13361940, 14252736, 16034328, 16878240, 17815920, 20042910, 21379104, 23754560, 26723880, 32068656, 33756480, 35631840, 40085820, 42758208, 53447760, 64137312, 71263680, 80171640, 106895520, 128274624, 160343280, 213791040, 320686560, 641373120]

約数ペア:

[(1, 641373120), (2, 320686560), (3, 213791040), (4, 160343280), (5, 128274624), (6, 106895520), (8, 80171640), (9, 71263680), (10, 64137312), (12, 53447760), (15, 42758208), (16, 40085820), (18, 35631840), (19, 33756480), (20, 32068656), (24, 26723880), (27, 23754560), (30, 21379104), (32, 20042910), (36, 17815920), (38, 16878240), (40, 16034328), (45, 14252736), (48, 13361940), (54, 11877280), (57, 11252160), (60, 10689552), (64, 10021455), (72, 8907960), (76, 8439120), (80, 8017164), (90, 7126368), (95, 6751296), (96, 6680970), (108, 5938640), (114, 5626080), (120, 5344776), (135, 4750912), (144, 4453980), (152, 4219560), (160, 4008582), (171, 3750720), (180, 3563184), (190, 3375648), (192, 3340485), (216, 2969320), (228, 2813040), (240, 2672388), (270, 2375456), (285, 2250432), (288, 2226990), (304, 2109780), (320, 2004291), (342, 1875360), (360, 1781592), (380, 1687824), (432, 1484660), (456, 1406520), (480, 1336194), (513, 1250240), (540, 1187728), (570, 1125216), (576, 1113495), (608, 1054890), (684, 937680), (720, 890796), (760, 843912), (855, 750144), (864, 742330), (912, 703260), (960, 668097), (1026, 625120), (1080, 593864), (1140, 562608), (1216, 527445), (1368, 468840), (1440, 445398), (1520, 421956), (1710, 375072), (1728, 371165), (1824, 351630), (2052, 312560), (2160, 296932), (2280, 281304), (2565, 250048), (2736, 234420), (2880, 222699), (3040, 210978), (3420, 187536), (3648, 175815), (3907, 164160), (4104, 156280), (4320, 148466), (4560, 140652), (5130, 125024), (5472, 117210), (6080, 105489), (6840, 93768), (7814, 82080), (8208, 78140), (8640, 74233), (9120, 70326), (10260, 62512), (10944, 58605), (11721, 54720), (13680, 46884), (15628, 41040), (16416, 39070), (18240, 35163), (19535, 32832), (20520, 31256), (23442, 27360)]