2405520

素因数分解:

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

素因数の和:289

約数の個数: 120

約数和(自身を含む): 8733816

約数和(自身を除く): 6328296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 257, 260, 312, 360, 390, 468, 514, 520, 585, 624, 720, 771, 780, 936, 1028, 1040, 1170, 1285, 1542, 1560, 1872, 2056, 2313, 2340, 2570, 3084, 3120, 3341, 3855, 4112, 4626, 4680, 5140, 6168, 6682, 7710, 9252, 9360, 10023, 10280, 11565, 12336, 13364, 15420, 16705, 18504, 20046, 20560, 23130, 26728, 30069, 30840, 33410, 37008, 40092, 46260, 50115, 53456, 60138, 61680, 66820, 80184, 92520, 100230, 120276, 133640, 150345, 160368, 185040, 200460, 240552, 267280, 300690, 400920, 481104, 601380, 801840, 1202760, 2405520]

約数ペア:

[(1, 2405520), (2, 1202760), (3, 801840), (4, 601380), (5, 481104), (6, 400920), (8, 300690), (9, 267280), (10, 240552), (12, 200460), (13, 185040), (15, 160368), (16, 150345), (18, 133640), (20, 120276), (24, 100230), (26, 92520), (30, 80184), (36, 66820), (39, 61680), (40, 60138), (45, 53456), (48, 50115), (52, 46260), (60, 40092), (65, 37008), (72, 33410), (78, 30840), (80, 30069), (90, 26728), (104, 23130), (117, 20560), (120, 20046), (130, 18504), (144, 16705), (156, 15420), (180, 13364), (195, 12336), (208, 11565), (234, 10280), (240, 10023), (257, 9360), (260, 9252), (312, 7710), (360, 6682), (390, 6168), (468, 5140), (514, 4680), (520, 4626), (585, 4112), (624, 3855), (720, 3341), (771, 3120), (780, 3084), (936, 2570), (1028, 2340), (1040, 2313), (1170, 2056), (1285, 1872), (1542, 1560)]