72231640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8171}}^1$

素因数の和:8212

約数の個数: 64

約数和(自身を含む): 185340960

約数和(自身を除く): 113109320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8171, 8840, 16342, 32684, 40855, 65368, 81710, 106223, 138907, 163420, 212446, 277814, 326840, 424892, 531115, 555628, 694535, 849784, 1062230, 1111256, 1389070, 1805791, 2124460, 2778140, 3611582, 4248920, 5556280, 7223164, 9028955, 14446328, 18057910, 36115820, 72231640]

約数ペア:

[(1, 72231640), (2, 36115820), (4, 18057910), (5, 14446328), (8, 9028955), (10, 7223164), (13, 5556280), (17, 4248920), (20, 3611582), (26, 2778140), (34, 2124460), (40, 1805791), (52, 1389070), (65, 1111256), (68, 1062230), (85, 849784), (104, 694535), (130, 555628), (136, 531115), (170, 424892), (221, 326840), (260, 277814), (340, 212446), (442, 163420), (520, 138907), (680, 106223), (884, 81710), (1105, 65368), (1768, 40855), (2210, 32684), (4420, 16342), (8171, 8840)]