68948360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1979}}^1$

素因数の和:2070

約数の個数: 64

約数和(自身を含む): 169646400

約数和(自身を除く): 100698040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 1979, 2680, 3484, 3958, 4355, 6968, 7916, 8710, 9895, 15832, 17420, 19790, 25727, 34840, 39580, 51454, 79160, 102908, 128635, 132593, 205816, 257270, 265186, 514540, 530372, 662965, 1029080, 1060744, 1325930, 1723709, 2651860, 3447418, 5303720, 6894836, 8618545, 13789672, 17237090, 34474180, 68948360]

約数ペア:

[(1, 68948360), (2, 34474180), (4, 17237090), (5, 13789672), (8, 8618545), (10, 6894836), (13, 5303720), (20, 3447418), (26, 2651860), (40, 1723709), (52, 1325930), (65, 1060744), (67, 1029080), (104, 662965), (130, 530372), (134, 514540), (260, 265186), (268, 257270), (335, 205816), (520, 132593), (536, 128635), (670, 102908), (871, 79160), (1340, 51454), (1742, 39580), (1979, 34840), (2680, 25727), (3484, 19790), (3958, 17420), (4355, 15832), (6968, 9895), (7916, 8710)]