80647970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 166682880

約数和(自身を除く): 86034910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 103, 130, 190, 206, 247, 317, 494, 515, 634, 1030, 1235, 1339, 1585, 1957, 2470, 2678, 3170, 3914, 4121, 6023, 6695, 8242, 9785, 12046, 13390, 19570, 20605, 25441, 30115, 32651, 41210, 50882, 60230, 65302, 78299, 127205, 156598, 163255, 254410, 326510, 391495, 424463, 620369, 782990, 848926, 1240738, 2122315, 3101845, 4244630, 6203690, 8064797, 16129594, 40323985, 80647970]

約数ペア:

[(1, 80647970), (2, 40323985), (5, 16129594), (10, 8064797), (13, 6203690), (19, 4244630), (26, 3101845), (38, 2122315), (65, 1240738), (95, 848926), (103, 782990), (130, 620369), (190, 424463), (206, 391495), (247, 326510), (317, 254410), (494, 163255), (515, 156598), (634, 127205), (1030, 78299), (1235, 65302), (1339, 60230), (1585, 50882), (1957, 41210), (2470, 32651), (2678, 30115), (3170, 25441), (3914, 20605), (4121, 19570), (6023, 13390), (6695, 12046), (8242, 9785)]