80171640

素因数分解:

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

素因数の和:3946

約数の個数: 128

約数和(自身を含む): 281376000

約数和(自身を除く): 201204360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 3907, 4104, 5130, 6840, 7814, 10260, 11721, 15628, 19535, 20520, 23442, 31256, 35163, 39070, 46884, 58605, 70326, 74233, 78140, 93768, 105489, 117210, 140652, 148466, 156280, 175815, 210978, 222699, 234420, 281304, 296932, 351630, 371165, 421956, 445398, 468840, 527445, 593864, 668097, 703260, 742330, 843912, 890796, 1054890, 1113495, 1336194, 1406520, 1484660, 1781592, 2004291, 2109780, 2226990, 2672388, 2969320, 3340485, 4008582, 4219560, 4453980, 5344776, 6680970, 8017164, 8907960, 10021455, 13361940, 16034328, 20042910, 26723880, 40085820, 80171640]

約数ペア:

[(1, 80171640), (2, 40085820), (3, 26723880), (4, 20042910), (5, 16034328), (6, 13361940), (8, 10021455), (9, 8907960), (10, 8017164), (12, 6680970), (15, 5344776), (18, 4453980), (19, 4219560), (20, 4008582), (24, 3340485), (27, 2969320), (30, 2672388), (36, 2226990), (38, 2109780), (40, 2004291), (45, 1781592), (54, 1484660), (57, 1406520), (60, 1336194), (72, 1113495), (76, 1054890), (90, 890796), (95, 843912), (108, 742330), (114, 703260), (120, 668097), (135, 593864), (152, 527445), (171, 468840), (180, 445398), (190, 421956), (216, 371165), (228, 351630), (270, 296932), (285, 281304), (342, 234420), (360, 222699), (380, 210978), (456, 175815), (513, 156280), (540, 148466), (570, 140652), (684, 117210), (760, 105489), (855, 93768), (1026, 78140), (1080, 74233), (1140, 70326), (1368, 58605), (1710, 46884), (2052, 39070), (2280, 35163), (2565, 31256), (3420, 23442), (3907, 20520), (4104, 19535), (5130, 15628), (6840, 11721), (7814, 10260)]