79984240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{613}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 213789888

約数和(自身を除く): 133805648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 233, 280, 466, 560, 613, 932, 1165, 1226, 1631, 1864, 2330, 2452, 3065, 3262, 3728, 4291, 4660, 4904, 6130, 6524, 8155, 8582, 9320, 9808, 12260, 13048, 16310, 17164, 18640, 21455, 24520, 26096, 32620, 34328, 42910, 49040, 65240, 68656, 85820, 130480, 142829, 171640, 285658, 343280, 571316, 714145, 999803, 1142632, 1428290, 1999606, 2285264, 2856580, 3999212, 4999015, 5713160, 7998424, 9998030, 11426320, 15996848, 19996060, 39992120, 79984240]

約数ペア:

[(1, 79984240), (2, 39992120), (4, 19996060), (5, 15996848), (7, 11426320), (8, 9998030), (10, 7998424), (14, 5713160), (16, 4999015), (20, 3999212), (28, 2856580), (35, 2285264), (40, 1999606), (56, 1428290), (70, 1142632), (80, 999803), (112, 714145), (140, 571316), (233, 343280), (280, 285658), (466, 171640), (560, 142829), (613, 130480), (932, 85820), (1165, 68656), (1226, 65240), (1631, 49040), (1864, 42910), (2330, 34328), (2452, 32620), (3065, 26096), (3262, 24520), (3728, 21455), (4291, 18640), (4660, 17164), (4904, 16310), (6130, 13048), (6524, 12260), (8155, 9808), (8582, 9320)]