69516460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 160299216

約数和(自身を除く): 90782756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 157, 169, 260, 262, 314, 338, 524, 628, 655, 676, 785, 845, 1310, 1570, 1690, 1703, 2041, 2620, 3140, 3380, 3406, 4082, 6812, 8164, 8515, 10205, 17030, 20410, 20567, 22139, 26533, 34060, 40820, 41134, 44278, 53066, 82268, 88556, 102835, 106132, 110695, 132665, 205670, 221390, 265330, 267371, 411340, 442780, 530660, 534742, 1069484, 1336855, 2673710, 3475823, 5347420, 6951646, 13903292, 17379115, 34758230, 69516460]

約数ペア:

[(1, 69516460), (2, 34758230), (4, 17379115), (5, 13903292), (10, 6951646), (13, 5347420), (20, 3475823), (26, 2673710), (52, 1336855), (65, 1069484), (130, 534742), (131, 530660), (157, 442780), (169, 411340), (260, 267371), (262, 265330), (314, 221390), (338, 205670), (524, 132665), (628, 110695), (655, 106132), (676, 102835), (785, 88556), (845, 82268), (1310, 53066), (1570, 44278), (1690, 41134), (1703, 40820), (2041, 34060), (2620, 26533), (3140, 22139), (3380, 20567), (3406, 20410), (4082, 17030), (6812, 10205), (8164, 8515)]