320431920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8191}}^1$

素因数の和:8370

約数の個数: 80

約数和(自身を含む): 999555072

約数和(自身を除く): 679123152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 2608, 3260, 3912, 4890, 6520, 7824, 8191, 9780, 13040, 16382, 19560, 24573, 32764, 39120, 40955, 49146, 65528, 81910, 98292, 122865, 131056, 163820, 196584, 245730, 327640, 393168, 491460, 655280, 982920, 1335133, 1965840, 2670266, 4005399, 5340532, 6675665, 8010798, 10681064, 13351330, 16021596, 20026995, 21362128, 26702660, 32043192, 40053990, 53405320, 64086384, 80107980, 106810640, 160215960, 320431920]

約数ペア:

[(1, 320431920), (2, 160215960), (3, 106810640), (4, 80107980), (5, 64086384), (6, 53405320), (8, 40053990), (10, 32043192), (12, 26702660), (15, 21362128), (16, 20026995), (20, 16021596), (24, 13351330), (30, 10681064), (40, 8010798), (48, 6675665), (60, 5340532), (80, 4005399), (120, 2670266), (163, 1965840), (240, 1335133), (326, 982920), (489, 655280), (652, 491460), (815, 393168), (978, 327640), (1304, 245730), (1630, 196584), (1956, 163820), (2445, 131056), (2608, 122865), (3260, 98292), (3912, 81910), (4890, 65528), (6520, 49146), (7824, 40955), (8191, 39120), (9780, 32764), (13040, 24573), (16382, 19560)]