51490920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2539}}^1$

素因数の和:2579

約数の個数: 96

約数和(自身を含む): 167335200

約数和(自身を除く): 115844280

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, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1560, 1690, 2028, 2535, 2539, 3380, 4056, 5070, 5078, 6760, 7617, 10140, 10156, 12695, 15234, 20280, 20312, 25390, 30468, 33007, 38085, 50780, 60936, 66014, 76170, 99021, 101560, 132028, 152340, 165035, 198042, 264056, 304680, 330070, 396084, 429091, 495105, 660140, 792168, 858182, 990210, 1287273, 1320280, 1716364, 1980420, 2145455, 2574546, 3432728, 3960840, 4290910, 5149092, 6436365, 8581820, 10298184, 12872730, 17163640, 25745460, 51490920]

約数ペア:

[(1, 51490920), (2, 25745460), (3, 17163640), (4, 12872730), (5, 10298184), (6, 8581820), (8, 6436365), (10, 5149092), (12, 4290910), (13, 3960840), (15, 3432728), (20, 2574546), (24, 2145455), (26, 1980420), (30, 1716364), (39, 1320280), (40, 1287273), (52, 990210), (60, 858182), (65, 792168), (78, 660140), (104, 495105), (120, 429091), (130, 396084), (156, 330070), (169, 304680), (195, 264056), (260, 198042), (312, 165035), (338, 152340), (390, 132028), (507, 101560), (520, 99021), (676, 76170), (780, 66014), (845, 60936), (1014, 50780), (1352, 38085), (1560, 33007), (1690, 30468), (2028, 25390), (2535, 20312), (2539, 20280), (3380, 15234), (4056, 12695), (5070, 10156), (5078, 10140), (6760, 7617)]