70816980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:745

約数の個数: 96

約数和(自身を含む): 215236224

約数和(自身を除く): 144419244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 163, 195, 260, 326, 390, 489, 557, 652, 780, 815, 978, 1114, 1630, 1671, 1956, 2119, 2228, 2445, 2785, 3260, 3342, 4238, 4890, 5570, 6357, 6684, 7241, 8355, 8476, 9780, 10595, 11140, 12714, 14482, 16710, 21190, 21723, 25428, 28964, 31785, 33420, 36205, 42380, 43446, 63570, 72410, 86892, 90791, 108615, 127140, 144820, 181582, 217230, 272373, 363164, 434460, 453955, 544746, 907910, 1089492, 1180283, 1361865, 1815820, 2360566, 2723730, 3540849, 4721132, 5447460, 5901415, 7081698, 11802830, 14163396, 17704245, 23605660, 35408490, 70816980]

約数ペア:

[(1, 70816980), (2, 35408490), (3, 23605660), (4, 17704245), (5, 14163396), (6, 11802830), (10, 7081698), (12, 5901415), (13, 5447460), (15, 4721132), (20, 3540849), (26, 2723730), (30, 2360566), (39, 1815820), (52, 1361865), (60, 1180283), (65, 1089492), (78, 907910), (130, 544746), (156, 453955), (163, 434460), (195, 363164), (260, 272373), (326, 217230), (390, 181582), (489, 144820), (557, 127140), (652, 108615), (780, 90791), (815, 86892), (978, 72410), (1114, 63570), (1630, 43446), (1671, 42380), (1956, 36205), (2119, 33420), (2228, 31785), (2445, 28964), (2785, 25428), (3260, 21723), (3342, 21190), (4238, 16710), (4890, 14482), (5570, 12714), (6357, 11140), (6684, 10595), (7241, 9780), (8355, 8476)]