61980490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 132814080

約数和(自身を除く): 70833590

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 89, 110, 130, 143, 178, 286, 445, 487, 715, 890, 974, 979, 1157, 1430, 1958, 2314, 2435, 4870, 4895, 5357, 5785, 6331, 9790, 10714, 11570, 12662, 12727, 25454, 26785, 31655, 43343, 53570, 63310, 63635, 69641, 86686, 127270, 139282, 216715, 348205, 433430, 476773, 563459, 696410, 953546, 1126918, 2383865, 2817295, 4767730, 5634590, 6198049, 12396098, 30990245, 61980490]

約数ペア:

[(1, 61980490), (2, 30990245), (5, 12396098), (10, 6198049), (11, 5634590), (13, 4767730), (22, 2817295), (26, 2383865), (55, 1126918), (65, 953546), (89, 696410), (110, 563459), (130, 476773), (143, 433430), (178, 348205), (286, 216715), (445, 139282), (487, 127270), (715, 86686), (890, 69641), (974, 63635), (979, 63310), (1157, 53570), (1430, 43343), (1958, 31655), (2314, 26785), (2435, 25454), (4870, 12727), (4895, 12662), (5357, 11570), (5785, 10714), (6331, 9790)]