87320240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{739}}^1$

素因数の和:970

約数の個数: 80

約数和(自身を含む): 233437440

約数和(自身を除く): 146117200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 560, 739, 844, 1055, 1477, 1478, 1688, 2110, 2954, 2956, 3376, 3695, 4220, 5173, 5908, 5912, 7385, 7390, 8440, 10346, 11816, 11824, 14770, 14780, 16880, 20692, 23632, 25865, 29540, 29560, 41384, 51730, 59080, 59120, 82768, 103460, 118160, 155929, 206920, 311858, 413840, 623716, 779645, 1091503, 1247432, 1559290, 2183006, 2494864, 3118580, 4366012, 5457515, 6237160, 8732024, 10915030, 12474320, 17464048, 21830060, 43660120, 87320240]

約数ペア:

[(1, 87320240), (2, 43660120), (4, 21830060), (5, 17464048), (7, 12474320), (8, 10915030), (10, 8732024), (14, 6237160), (16, 5457515), (20, 4366012), (28, 3118580), (35, 2494864), (40, 2183006), (56, 1559290), (70, 1247432), (80, 1091503), (112, 779645), (140, 623716), (211, 413840), (280, 311858), (422, 206920), (560, 155929), (739, 118160), (844, 103460), (1055, 82768), (1477, 59120), (1478, 59080), (1688, 51730), (2110, 41384), (2954, 29560), (2956, 29540), (3376, 25865), (3695, 23632), (4220, 20692), (5173, 16880), (5908, 14780), (5912, 14770), (7385, 11824), (7390, 11816), (8440, 10346)]