8007390120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{259643}}^1$

素因数の和:259914

約数の個数: 64

約数和(自身を含む): 24115734720

約数和(自身を除く): 16108344600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5140, 6168, 7710, 10280, 15420, 30840, 259643, 519286, 778929, 1038572, 1298215, 1557858, 2077144, 2596430, 3115716, 3894645, 5192860, 6231432, 7789290, 10385720, 15578580, 31157160, 66728251, 133456502, 200184753, 266913004, 333641255, 400369506, 533826008, 667282510, 800739012, 1000923765, 1334565020, 1601478024, 2001847530, 2669130040, 4003695060, 8007390120]

約数ペア:

[(1, 8007390120), (2, 4003695060), (3, 2669130040), (4, 2001847530), (5, 1601478024), (6, 1334565020), (8, 1000923765), (10, 800739012), (12, 667282510), (15, 533826008), (20, 400369506), (24, 333641255), (30, 266913004), (40, 200184753), (60, 133456502), (120, 66728251), (257, 31157160), (514, 15578580), (771, 10385720), (1028, 7789290), (1285, 6231432), (1542, 5192860), (2056, 3894645), (2570, 3115716), (3084, 2596430), (3855, 2077144), (5140, 1557858), (6168, 1298215), (7710, 1038572), (10280, 778929), (15420, 519286), (30840, 259643)]