30991860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1031}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 94663296

約数和(自身を除く): 63671436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 1002, 1031, 1503, 1670, 2004, 2062, 2505, 3006, 3093, 3340, 4124, 5010, 5155, 6012, 6186, 7515, 9279, 10020, 10310, 12372, 15030, 15465, 18558, 20620, 30060, 30930, 37116, 46395, 61860, 92790, 172177, 185580, 344354, 516531, 688708, 860885, 1033062, 1549593, 1721770, 2066124, 2582655, 3099186, 3443540, 5165310, 6198372, 7747965, 10330620, 15495930, 30991860]

約数ペア:

[(1, 30991860), (2, 15495930), (3, 10330620), (4, 7747965), (5, 6198372), (6, 5165310), (9, 3443540), (10, 3099186), (12, 2582655), (15, 2066124), (18, 1721770), (20, 1549593), (30, 1033062), (36, 860885), (45, 688708), (60, 516531), (90, 344354), (167, 185580), (180, 172177), (334, 92790), (501, 61860), (668, 46395), (835, 37116), (1002, 30930), (1031, 30060), (1503, 20620), (1670, 18558), (2004, 15465), (2062, 15030), (2505, 12372), (3006, 10310), (3093, 10020), (3340, 9279), (4124, 7515), (5010, 6186), (5155, 6012)]