287407320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{11351}}^1$

素因数の和:11576

約数の個数: 64

約数和(自身を含む): 866384640

約数和(自身を除く): 578977320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 4220, 5064, 6330, 8440, 11351, 12660, 22702, 25320, 34053, 45404, 56755, 68106, 90808, 113510, 136212, 170265, 227020, 272424, 340530, 454040, 681060, 1362120, 2395061, 4790122, 7185183, 9580244, 11975305, 14370366, 19160488, 23950610, 28740732, 35925915, 47901220, 57481464, 71851830, 95802440, 143703660, 287407320]

約数ペア:

[(1, 287407320), (2, 143703660), (3, 95802440), (4, 71851830), (5, 57481464), (6, 47901220), (8, 35925915), (10, 28740732), (12, 23950610), (15, 19160488), (20, 14370366), (24, 11975305), (30, 9580244), (40, 7185183), (60, 4790122), (120, 2395061), (211, 1362120), (422, 681060), (633, 454040), (844, 340530), (1055, 272424), (1266, 227020), (1688, 170265), (2110, 136212), (2532, 113510), (3165, 90808), (4220, 68106), (5064, 56755), (6330, 45404), (8440, 34053), (11351, 25320), (12660, 22702)]