1520512240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{76949}}^1$

素因数の和:76994

約数の個数: 80

約数和(自身を含む): 4007556000

約数和(自身を除く): 2487043760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 76949, 153898, 307796, 384745, 615592, 769490, 1000337, 1231184, 1462031, 1538980, 2000674, 2924062, 3077960, 4001348, 5001685, 5848124, 6155920, 7310155, 8002696, 10003370, 11696248, 14620310, 16005392, 19006403, 20006740, 23392496, 29240620, 38012806, 40013480, 58481240, 76025612, 80026960, 95032015, 116962480, 152051224, 190064030, 304102448, 380128060, 760256120, 1520512240]

約数ペア:

[(1, 1520512240), (2, 760256120), (4, 380128060), (5, 304102448), (8, 190064030), (10, 152051224), (13, 116962480), (16, 95032015), (19, 80026960), (20, 76025612), (26, 58481240), (38, 40013480), (40, 38012806), (52, 29240620), (65, 23392496), (76, 20006740), (80, 19006403), (95, 16005392), (104, 14620310), (130, 11696248), (152, 10003370), (190, 8002696), (208, 7310155), (247, 6155920), (260, 5848124), (304, 5001685), (380, 4001348), (494, 3077960), (520, 2924062), (760, 2000674), (988, 1538980), (1040, 1462031), (1235, 1231184), (1520, 1000337), (1976, 769490), (2470, 615592), (3952, 384745), (4940, 307796), (9880, 153898), (19760, 76949)]