15287020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 39357360

約数和(自身を除く): 24070340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 821, 931, 980, 1330, 1642, 1862, 2660, 3284, 3724, 4105, 4655, 5747, 8210, 9310, 11494, 15599, 16420, 18620, 22988, 28735, 31198, 40229, 57470, 62396, 77995, 80458, 109193, 114940, 155990, 160916, 201145, 218386, 311980, 402290, 436772, 545965, 764351, 804580, 1091930, 1528702, 2183860, 3057404, 3821755, 7643510, 15287020]

約数ペア:

[(1, 15287020), (2, 7643510), (4, 3821755), (5, 3057404), (7, 2183860), (10, 1528702), (14, 1091930), (19, 804580), (20, 764351), (28, 545965), (35, 436772), (38, 402290), (49, 311980), (70, 218386), (76, 201145), (95, 160916), (98, 155990), (133, 114940), (140, 109193), (190, 80458), (196, 77995), (245, 62396), (266, 57470), (380, 40229), (490, 31198), (532, 28735), (665, 22988), (821, 18620), (931, 16420), (980, 15599), (1330, 11494), (1642, 9310), (1862, 8210), (2660, 5747), (3284, 4655), (3724, 4105)]