61876720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 150660000

約数和(自身を除く): 88783280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 149, 179, 232, 290, 298, 358, 464, 580, 596, 716, 745, 895, 1160, 1192, 1432, 1490, 1790, 2320, 2384, 2864, 2980, 3580, 4321, 5191, 5960, 7160, 8642, 10382, 11920, 14320, 17284, 20764, 21605, 25955, 26671, 34568, 41528, 43210, 51910, 53342, 69136, 83056, 86420, 103820, 106684, 133355, 172840, 207640, 213368, 266710, 345680, 415280, 426736, 533420, 773459, 1066840, 1546918, 2133680, 3093836, 3867295, 6187672, 7734590, 12375344, 15469180, 30938360, 61876720]

約数ペア:

[(1, 61876720), (2, 30938360), (4, 15469180), (5, 12375344), (8, 7734590), (10, 6187672), (16, 3867295), (20, 3093836), (29, 2133680), (40, 1546918), (58, 1066840), (80, 773459), (116, 533420), (145, 426736), (149, 415280), (179, 345680), (232, 266710), (290, 213368), (298, 207640), (358, 172840), (464, 133355), (580, 106684), (596, 103820), (716, 86420), (745, 83056), (895, 69136), (1160, 53342), (1192, 51910), (1432, 43210), (1490, 41528), (1790, 34568), (2320, 26671), (2384, 25955), (2864, 21605), (2980, 20764), (3580, 17284), (4321, 14320), (5191, 11920), (5960, 10382), (7160, 8642)]