89791520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:923

約数の個数: 144

約数和(自身を含む): 266050008

約数和(自身を除く): 176258488

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 881, 910, 980, 1040, 1120, 1274, 1456, 1568, 1762, 1820, 1960, 2080, 2548, 2912, 3185, 3524, 3640, 3920, 4405, 5096, 6167, 6370, 7048, 7280, 7840, 8810, 10192, 11453, 12334, 12740, 14096, 14560, 17620, 20384, 22906, 24668, 25480, 28192, 30835, 35240, 43169, 45812, 49336, 50960, 57265, 61670, 70480, 80171, 86338, 91624, 98672, 101920, 114530, 123340, 140960, 160342, 172676, 183248, 197344, 215845, 229060, 246680, 320684, 345352, 366496, 400855, 431690, 458120, 493360, 561197, 641368, 690704, 801710, 863380, 916240, 986720, 1122394, 1282736, 1381408, 1603420, 1726760, 1832480, 2244788, 2565472, 2805985, 3206840, 3453520, 4489576, 5611970, 6413680, 6907040, 8979152, 11223940, 12827360, 17958304, 22447880, 44895760, 89791520]

約数ペア:

[(1, 89791520), (2, 44895760), (4, 22447880), (5, 17958304), (7, 12827360), (8, 11223940), (10, 8979152), (13, 6907040), (14, 6413680), (16, 5611970), (20, 4489576), (26, 3453520), (28, 3206840), (32, 2805985), (35, 2565472), (40, 2244788), (49, 1832480), (52, 1726760), (56, 1603420), (65, 1381408), (70, 1282736), (80, 1122394), (91, 986720), (98, 916240), (104, 863380), (112, 801710), (130, 690704), (140, 641368), (160, 561197), (182, 493360), (196, 458120), (208, 431690), (224, 400855), (245, 366496), (260, 345352), (280, 320684), (364, 246680), (392, 229060), (416, 215845), (455, 197344), (490, 183248), (520, 172676), (560, 160342), (637, 140960), (728, 123340), (784, 114530), (881, 101920), (910, 98672), (980, 91624), (1040, 86338), (1120, 80171), (1274, 70480), (1456, 61670), (1568, 57265), (1762, 50960), (1820, 49336), (1960, 45812), (2080, 43169), (2548, 35240), (2912, 30835), (3185, 28192), (3524, 25480), (3640, 24668), (3920, 22906), (4405, 20384), (5096, 17620), (6167, 14560), (6370, 14096), (7048, 12740), (7280, 12334), (7840, 11453), (8810, 10192)]