280530040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{12071}}^1$

素因数の和:12172

約数の個数: 64

約数和(自身を含む): 730114560

約数和(自身を除く): 449584520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2905, 3320, 4648, 5810, 11620, 12071, 23240, 24142, 48284, 60355, 84497, 96568, 120710, 168994, 241420, 337988, 422485, 482840, 675976, 844970, 1001893, 1689940, 2003786, 3379880, 4007572, 5009465, 7013251, 8015144, 10018930, 14026502, 20037860, 28053004, 35066255, 40075720, 56106008, 70132510, 140265020, 280530040]

約数ペア:

[(1, 280530040), (2, 140265020), (4, 70132510), (5, 56106008), (7, 40075720), (8, 35066255), (10, 28053004), (14, 20037860), (20, 14026502), (28, 10018930), (35, 8015144), (40, 7013251), (56, 5009465), (70, 4007572), (83, 3379880), (140, 2003786), (166, 1689940), (280, 1001893), (332, 844970), (415, 675976), (581, 482840), (664, 422485), (830, 337988), (1162, 241420), (1660, 168994), (2324, 120710), (2905, 96568), (3320, 84497), (4648, 60355), (5810, 48284), (11620, 24142), (12071, 23240)]