64927940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 182710080

約数和(自身を除く): 117782140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 154, 190, 196, 209, 220, 245, 266, 308, 317, 380, 385, 418, 490, 532, 539, 634, 665, 770, 836, 931, 980, 1045, 1078, 1268, 1330, 1463, 1540, 1585, 1862, 2090, 2156, 2219, 2660, 2695, 2926, 3170, 3487, 3724, 4180, 4438, 4655, 5390, 5852, 6023, 6340, 6974, 7315, 8876, 9310, 10241, 10780, 11095, 12046, 13948, 14630, 15533, 17435, 18620, 20482, 22190, 24092, 24409, 29260, 30115, 31066, 34870, 40964, 42161, 44380, 48818, 51205, 60230, 62132, 66253, 69740, 77665, 84322, 97636, 102410, 120460, 122045, 132506, 155330, 168644, 170863, 204820, 210805, 244090, 265012, 295127, 310660, 331265, 341726, 421610, 463771, 488180, 590254, 662530, 683452, 843220, 854315, 927542, 1180508, 1325060, 1475635, 1708630, 1855084, 2318855, 2951270, 3246397, 3417260, 4637710, 5902540, 6492794, 9275420, 12985588, 16231985, 32463970, 64927940]

約数ペア:

[(1, 64927940), (2, 32463970), (4, 16231985), (5, 12985588), (7, 9275420), (10, 6492794), (11, 5902540), (14, 4637710), (19, 3417260), (20, 3246397), (22, 2951270), (28, 2318855), (35, 1855084), (38, 1708630), (44, 1475635), (49, 1325060), (55, 1180508), (70, 927542), (76, 854315), (77, 843220), (95, 683452), (98, 662530), (110, 590254), (133, 488180), (140, 463771), (154, 421610), (190, 341726), (196, 331265), (209, 310660), (220, 295127), (245, 265012), (266, 244090), (308, 210805), (317, 204820), (380, 170863), (385, 168644), (418, 155330), (490, 132506), (532, 122045), (539, 120460), (634, 102410), (665, 97636), (770, 84322), (836, 77665), (931, 69740), (980, 66253), (1045, 62132), (1078, 60230), (1268, 51205), (1330, 48818), (1463, 44380), (1540, 42161), (1585, 40964), (1862, 34870), (2090, 31066), (2156, 30115), (2219, 29260), (2660, 24409), (2695, 24092), (2926, 22190), (3170, 20482), (3487, 18620), (3724, 17435), (4180, 15533), (4438, 14630), (4655, 13948), (5390, 12046), (5852, 11095), (6023, 10780), (6340, 10241), (6974, 9310), (7315, 8876)]