13579980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{947}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 38223360

約数和(自身を除く): 24643380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 947, 956, 1195, 1434, 1894, 2390, 2841, 2868, 3585, 3788, 4735, 4780, 5682, 7170, 9470, 11364, 14205, 14340, 18940, 28410, 56820, 226333, 452666, 678999, 905332, 1131665, 1357998, 2263330, 2715996, 3394995, 4526660, 6789990, 13579980]

約数ペア:

[(1, 13579980), (2, 6789990), (3, 4526660), (4, 3394995), (5, 2715996), (6, 2263330), (10, 1357998), (12, 1131665), (15, 905332), (20, 678999), (30, 452666), (60, 226333), (239, 56820), (478, 28410), (717, 18940), (947, 14340), (956, 14205), (1195, 11364), (1434, 9470), (1894, 7170), (2390, 5682), (2841, 4780), (2868, 4735), (3585, 3788)]