84973840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 120

約数和(自身を含む): 234728280

約数和(自身を除く): 149754440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 196, 212, 245, 265, 280, 371, 392, 409, 424, 490, 530, 560, 742, 784, 818, 848, 980, 1060, 1484, 1636, 1855, 1960, 2045, 2120, 2597, 2863, 2968, 3272, 3710, 3920, 4090, 4240, 5194, 5726, 5936, 6544, 7420, 8180, 10388, 11452, 12985, 14315, 14840, 16360, 20041, 20776, 21677, 22904, 25970, 28630, 29680, 32720, 40082, 41552, 43354, 45808, 51940, 57260, 80164, 86708, 100205, 103880, 108385, 114520, 151739, 160328, 173416, 200410, 207760, 216770, 229040, 303478, 320656, 346832, 400820, 433540, 606956, 758695, 801640, 867080, 1062173, 1213912, 1517390, 1603280, 1734160, 2124346, 2427824, 3034780, 4248692, 5310865, 6069560, 8497384, 10621730, 12139120, 16994768, 21243460, 42486920, 84973840]

約数ペア:

[(1, 84973840), (2, 42486920), (4, 21243460), (5, 16994768), (7, 12139120), (8, 10621730), (10, 8497384), (14, 6069560), (16, 5310865), (20, 4248692), (28, 3034780), (35, 2427824), (40, 2124346), (49, 1734160), (53, 1603280), (56, 1517390), (70, 1213912), (80, 1062173), (98, 867080), (106, 801640), (112, 758695), (140, 606956), (196, 433540), (212, 400820), (245, 346832), (265, 320656), (280, 303478), (371, 229040), (392, 216770), (409, 207760), (424, 200410), (490, 173416), (530, 160328), (560, 151739), (742, 114520), (784, 108385), (818, 103880), (848, 100205), (980, 86708), (1060, 80164), (1484, 57260), (1636, 51940), (1855, 45808), (1960, 43354), (2045, 41552), (2120, 40082), (2597, 32720), (2863, 29680), (2968, 28630), (3272, 25970), (3710, 22904), (3920, 21677), (4090, 20776), (4240, 20041), (5194, 16360), (5726, 14840), (5936, 14315), (6544, 12985), (7420, 11452), (8180, 10388)]