2045989980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{155707}}^1$

素因数の和:155795

約数の個数: 72

約数和(自身を含む): 6291226032

約数和(自身を除く): 4245236052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2628, 3285, 4380, 6570, 13140, 155707, 311414, 467121, 622828, 778535, 934242, 1401363, 1557070, 1868484, 2335605, 2802726, 3114140, 4671210, 5605452, 7006815, 9342420, 11366611, 14013630, 22733222, 28027260, 34099833, 45466444, 56833055, 68199666, 102299499, 113666110, 136399332, 170499165, 204598998, 227332220, 340998330, 409197996, 511497495, 681996660, 1022994990, 2045989980]

約数ペア:

[(1, 2045989980), (2, 1022994990), (3, 681996660), (4, 511497495), (5, 409197996), (6, 340998330), (9, 227332220), (10, 204598998), (12, 170499165), (15, 136399332), (18, 113666110), (20, 102299499), (30, 68199666), (36, 56833055), (45, 45466444), (60, 34099833), (73, 28027260), (90, 22733222), (146, 14013630), (180, 11366611), (219, 9342420), (292, 7006815), (365, 5605452), (438, 4671210), (657, 3114140), (730, 2802726), (876, 2335605), (1095, 1868484), (1314, 1557070), (1460, 1401363), (2190, 934242), (2628, 778535), (3285, 622828), (4380, 467121), (6570, 311414), (13140, 155707)]