70855980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90841}}^1$

素因数の和:90866

約数の個数: 48

約数和(自身を含む): 213660384

約数和(自身を除く): 142804404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 90841, 181682, 272523, 363364, 454205, 545046, 908410, 1090092, 1180933, 1362615, 1816820, 2361866, 2725230, 3542799, 4723732, 5450460, 5904665, 7085598, 11809330, 14171196, 17713995, 23618660, 35427990, 70855980]

約数ペア:

[(1, 70855980), (2, 35427990), (3, 23618660), (4, 17713995), (5, 14171196), (6, 11809330), (10, 7085598), (12, 5904665), (13, 5450460), (15, 4723732), (20, 3542799), (26, 2725230), (30, 2361866), (39, 1816820), (52, 1362615), (60, 1180933), (65, 1090092), (78, 908410), (130, 545046), (156, 454205), (195, 363364), (260, 272523), (390, 181682), (780, 90841)]