80506920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51607}}^1$

素因数の和:51634

約数の個数: 64

約数和(自身を含む): 260104320

約数和(自身を除く): 179597400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51607, 103214, 154821, 206428, 258035, 309642, 412856, 516070, 619284, 670891, 774105, 1032140, 1238568, 1341782, 1548210, 2012673, 2064280, 2683564, 3096420, 3354455, 4025346, 5367128, 6192840, 6708910, 8050692, 10063365, 13417820, 16101384, 20126730, 26835640, 40253460, 80506920]

約数ペア:

[(1, 80506920), (2, 40253460), (3, 26835640), (4, 20126730), (5, 16101384), (6, 13417820), (8, 10063365), (10, 8050692), (12, 6708910), (13, 6192840), (15, 5367128), (20, 4025346), (24, 3354455), (26, 3096420), (30, 2683564), (39, 2064280), (40, 2012673), (52, 1548210), (60, 1341782), (65, 1238568), (78, 1032140), (104, 774105), (120, 670891), (130, 619284), (156, 516070), (195, 412856), (260, 309642), (312, 258035), (390, 206428), (520, 154821), (780, 103214), (1560, 51607)]