30931020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{757}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 94361904

約数和(自身を除く): 63430884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 757, 908, 1135, 1362, 1514, 2043, 2270, 2271, 2724, 3028, 3405, 3785, 4086, 4540, 4542, 6810, 6813, 7570, 8172, 9084, 10215, 11355, 13620, 13626, 15140, 20430, 22710, 27252, 34065, 40860, 45420, 68130, 136260, 171839, 343678, 515517, 687356, 859195, 1031034, 1546551, 1718390, 2062068, 2577585, 3093102, 3436780, 5155170, 6186204, 7732755, 10310340, 15465510, 30931020]

約数ペア:

[(1, 30931020), (2, 15465510), (3, 10310340), (4, 7732755), (5, 6186204), (6, 5155170), (9, 3436780), (10, 3093102), (12, 2577585), (15, 2062068), (18, 1718390), (20, 1546551), (30, 1031034), (36, 859195), (45, 687356), (60, 515517), (90, 343678), (180, 171839), (227, 136260), (454, 68130), (681, 45420), (757, 40860), (908, 34065), (1135, 27252), (1362, 22710), (1514, 20430), (2043, 15140), (2270, 13626), (2271, 13620), (2724, 11355), (3028, 10215), (3405, 9084), (3785, 8172), (4086, 7570), (4540, 6813), (4542, 6810)]