87479340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112153}}^1$

素因数の和:112178

約数の個数: 48

約数和(自身を含む): 263786208

約数和(自身を除く): 176306868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 112153, 224306, 336459, 448612, 560765, 672918, 1121530, 1345836, 1457989, 1682295, 2243060, 2915978, 3364590, 4373967, 5831956, 6729180, 7289945, 8747934, 14579890, 17495868, 21869835, 29159780, 43739670, 87479340]

約数ペア:

[(1, 87479340), (2, 43739670), (3, 29159780), (4, 21869835), (5, 17495868), (6, 14579890), (10, 8747934), (12, 7289945), (13, 6729180), (15, 5831956), (20, 4373967), (26, 3364590), (30, 2915978), (39, 2243060), (52, 1682295), (60, 1457989), (65, 1345836), (78, 1121530), (130, 672918), (156, 560765), (195, 448612), (260, 336459), (390, 224306), (780, 112153)]