91748240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 220968000

約数和(自身を除く): 129219760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 149, 172, 179, 215, 298, 344, 358, 430, 596, 688, 716, 745, 860, 895, 1192, 1432, 1490, 1720, 1790, 2384, 2864, 2980, 3440, 3580, 5960, 6407, 7160, 7697, 11920, 12814, 14320, 15394, 25628, 26671, 30788, 32035, 38485, 51256, 53342, 61576, 64070, 76970, 102512, 106684, 123152, 128140, 133355, 153940, 213368, 256280, 266710, 307880, 426736, 512560, 533420, 615760, 1066840, 1146853, 2133680, 2293706, 4587412, 5734265, 9174824, 11468530, 18349648, 22937060, 45874120, 91748240]

約数ペア:

[(1, 91748240), (2, 45874120), (4, 22937060), (5, 18349648), (8, 11468530), (10, 9174824), (16, 5734265), (20, 4587412), (40, 2293706), (43, 2133680), (80, 1146853), (86, 1066840), (149, 615760), (172, 533420), (179, 512560), (215, 426736), (298, 307880), (344, 266710), (358, 256280), (430, 213368), (596, 153940), (688, 133355), (716, 128140), (745, 123152), (860, 106684), (895, 102512), (1192, 76970), (1432, 64070), (1490, 61576), (1720, 53342), (1790, 51256), (2384, 38485), (2864, 32035), (2980, 30788), (3440, 26671), (3580, 25628), (5960, 15394), (6407, 14320), (7160, 12814), (7697, 11920)]