801840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 2687328

約数和(自身を除く): 1885488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 257, 260, 312, 390, 514, 520, 624, 771, 780, 1028, 1040, 1285, 1542, 1560, 2056, 2570, 3084, 3120, 3341, 3855, 4112, 5140, 6168, 6682, 7710, 10023, 10280, 12336, 13364, 15420, 16705, 20046, 20560, 26728, 30840, 33410, 40092, 50115, 53456, 61680, 66820, 80184, 100230, 133640, 160368, 200460, 267280, 400920, 801840]

約数ペア:

[(1, 801840), (2, 400920), (3, 267280), (4, 200460), (5, 160368), (6, 133640), (8, 100230), (10, 80184), (12, 66820), (13, 61680), (15, 53456), (16, 50115), (20, 40092), (24, 33410), (26, 30840), (30, 26728), (39, 20560), (40, 20046), (48, 16705), (52, 15420), (60, 13364), (65, 12336), (78, 10280), (80, 10023), (104, 7710), (120, 6682), (130, 6168), (156, 5140), (195, 4112), (208, 3855), (240, 3341), (257, 3120), (260, 3084), (312, 2570), (390, 2056), (514, 1560), (520, 1542), (624, 1285), (771, 1040), (780, 1028)]