321127320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{37691}}^1$

素因数の和:37776

約数の個数: 64

約数和(自身を含む): 976976640

約数和(自身を除く): 655849320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 37691, 75382, 113073, 150764, 188455, 226146, 301528, 376910, 452292, 565365, 753820, 904584, 1130730, 1507640, 2261460, 2676061, 4522920, 5352122, 8028183, 10704244, 13380305, 16056366, 21408488, 26760610, 32112732, 40140915, 53521220, 64225464, 80281830, 107042440, 160563660, 321127320]

約数ペア:

[(1, 321127320), (2, 160563660), (3, 107042440), (4, 80281830), (5, 64225464), (6, 53521220), (8, 40140915), (10, 32112732), (12, 26760610), (15, 21408488), (20, 16056366), (24, 13380305), (30, 10704244), (40, 8028183), (60, 5352122), (71, 4522920), (120, 2676061), (142, 2261460), (213, 1507640), (284, 1130730), (355, 904584), (426, 753820), (568, 565365), (710, 452292), (852, 376910), (1065, 301528), (1420, 226146), (1704, 188455), (2130, 150764), (2840, 113073), (4260, 75382), (8520, 37691)]