80668875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 155750400

約数和(自身を除く): 75081525

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 79, 105, 125, 175, 237, 375, 389, 395, 525, 553, 875, 1167, 1185, 1659, 1945, 1975, 2625, 2723, 2765, 5835, 5925, 8169, 8295, 9725, 9875, 13615, 13825, 29175, 29625, 30731, 40845, 41475, 48625, 68075, 69125, 92193, 145875, 153655, 204225, 207375, 215117, 340375, 460965, 645351, 768275, 1021125, 1075585, 2304825, 3226755, 3841375, 5377925, 11524125, 16133775, 26889625, 80668875]

約数ペア:

[(1, 80668875), (3, 26889625), (5, 16133775), (7, 11524125), (15, 5377925), (21, 3841375), (25, 3226755), (35, 2304825), (75, 1075585), (79, 1021125), (105, 768275), (125, 645351), (175, 460965), (237, 340375), (375, 215117), (389, 207375), (395, 204225), (525, 153655), (553, 145875), (875, 92193), (1167, 69125), (1185, 68075), (1659, 48625), (1945, 41475), (1975, 40845), (2625, 30731), (2723, 29625), (2765, 29175), (5835, 13825), (5925, 13615), (8169, 9875), (8295, 9725)]