64919960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12203}}^1$

素因数の和:12240

約数の個数: 64

約数和(自身を含む): 175737600

約数和(自身を除く): 110817640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 12203, 24406, 48812, 61015, 85421, 97624, 122030, 170842, 231857, 244060, 341684, 427105, 463714, 488120, 683368, 854210, 927428, 1159285, 1622999, 1708420, 1854856, 2318570, 3245998, 3416840, 4637140, 6491996, 8114995, 9274280, 12983992, 16229990, 32459980, 64919960]

約数ペア:

[(1, 64919960), (2, 32459980), (4, 16229990), (5, 12983992), (7, 9274280), (8, 8114995), (10, 6491996), (14, 4637140), (19, 3416840), (20, 3245998), (28, 2318570), (35, 1854856), (38, 1708420), (40, 1622999), (56, 1159285), (70, 927428), (76, 854210), (95, 683368), (133, 488120), (140, 463714), (152, 427105), (190, 341684), (266, 244060), (280, 231857), (380, 170842), (532, 122030), (665, 97624), (760, 85421), (1064, 61015), (1330, 48812), (2660, 24406), (5320, 12203)]