69897880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7907}}^1$

素因数の和:7948

約数の個数: 64

約数和(自身を含む): 179353440

約数和(自身を除く): 109455560

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, 7907, 8840, 15814, 31628, 39535, 63256, 79070, 102791, 134419, 158140, 205582, 268838, 316280, 411164, 513955, 537676, 672095, 822328, 1027910, 1075352, 1344190, 1747447, 2055820, 2688380, 3494894, 4111640, 5376760, 6989788, 8737235, 13979576, 17474470, 34948940, 69897880]

約数ペア:

[(1, 69897880), (2, 34948940), (4, 17474470), (5, 13979576), (8, 8737235), (10, 6989788), (13, 5376760), (17, 4111640), (20, 3494894), (26, 2688380), (34, 2055820), (40, 1747447), (52, 1344190), (65, 1075352), (68, 1027910), (85, 822328), (104, 672095), (130, 537676), (136, 513955), (170, 411164), (221, 316280), (260, 268838), (340, 205582), (442, 158140), (520, 134419), (680, 102791), (884, 79070), (1105, 63256), (1768, 39535), (2210, 31628), (4420, 15814), (7907, 8840)]