4251780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 14676480

約数和(自身を除く): 10424700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 79, 90, 92, 115, 117, 130, 138, 156, 158, 180, 195, 207, 230, 234, 237, 260, 276, 299, 316, 345, 390, 395, 414, 460, 468, 474, 585, 598, 690, 711, 780, 790, 828, 897, 948, 1027, 1035, 1170, 1185, 1196, 1380, 1422, 1495, 1580, 1794, 1817, 2054, 2070, 2340, 2370, 2691, 2844, 2990, 3081, 3555, 3588, 3634, 4108, 4140, 4485, 4740, 5135, 5382, 5451, 5980, 6162, 7110, 7268, 8970, 9085, 9243, 10270, 10764, 10902, 12324, 13455, 14220, 15405, 16353, 17940, 18170, 18486, 20540, 21804, 23621, 26910, 27255, 30810, 32706, 36340, 36972, 46215, 47242, 53820, 54510, 61620, 65412, 70863, 81765, 92430, 94484, 109020, 118105, 141726, 163530, 184860, 212589, 236210, 283452, 327060, 354315, 425178, 472420, 708630, 850356, 1062945, 1417260, 2125890, 4251780]

約数ペア:

[(1, 4251780), (2, 2125890), (3, 1417260), (4, 1062945), (5, 850356), (6, 708630), (9, 472420), (10, 425178), (12, 354315), (13, 327060), (15, 283452), (18, 236210), (20, 212589), (23, 184860), (26, 163530), (30, 141726), (36, 118105), (39, 109020), (45, 94484), (46, 92430), (52, 81765), (60, 70863), (65, 65412), (69, 61620), (78, 54510), (79, 53820), (90, 47242), (92, 46215), (115, 36972), (117, 36340), (130, 32706), (138, 30810), (156, 27255), (158, 26910), (180, 23621), (195, 21804), (207, 20540), (230, 18486), (234, 18170), (237, 17940), (260, 16353), (276, 15405), (299, 14220), (316, 13455), (345, 12324), (390, 10902), (395, 10764), (414, 10270), (460, 9243), (468, 9085), (474, 8970), (585, 7268), (598, 7110), (690, 6162), (711, 5980), (780, 5451), (790, 5382), (828, 5135), (897, 4740), (948, 4485), (1027, 4140), (1035, 4108), (1170, 3634), (1185, 3588), (1196, 3555), (1380, 3081), (1422, 2990), (1495, 2844), (1580, 2691), (1794, 2370), (1817, 2340), (2054, 2070)]