30718980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:530

約数の個数: 96

約数和(自身を含む): 96432000

約数和(自身を除く): 65713020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 163, 180, 270, 326, 349, 489, 540, 652, 698, 815, 978, 1047, 1396, 1467, 1630, 1745, 1956, 2094, 2445, 2934, 3141, 3260, 3490, 4188, 4401, 4890, 5235, 5868, 6282, 6980, 7335, 8802, 9423, 9780, 10470, 12564, 14670, 15705, 17604, 18846, 20940, 22005, 29340, 31410, 37692, 44010, 47115, 56887, 62820, 88020, 94230, 113774, 170661, 188460, 227548, 284435, 341322, 511983, 568870, 682644, 853305, 1023966, 1137740, 1535949, 1706610, 2047932, 2559915, 3071898, 3413220, 5119830, 6143796, 7679745, 10239660, 15359490, 30718980]

約数ペア:

[(1, 30718980), (2, 15359490), (3, 10239660), (4, 7679745), (5, 6143796), (6, 5119830), (9, 3413220), (10, 3071898), (12, 2559915), (15, 2047932), (18, 1706610), (20, 1535949), (27, 1137740), (30, 1023966), (36, 853305), (45, 682644), (54, 568870), (60, 511983), (90, 341322), (108, 284435), (135, 227548), (163, 188460), (180, 170661), (270, 113774), (326, 94230), (349, 88020), (489, 62820), (540, 56887), (652, 47115), (698, 44010), (815, 37692), (978, 31410), (1047, 29340), (1396, 22005), (1467, 20940), (1630, 18846), (1745, 17604), (1956, 15705), (2094, 14670), (2445, 12564), (2934, 10470), (3141, 9780), (3260, 9423), (3490, 8802), (4188, 7335), (4401, 6980), (4890, 6282), (5235, 5868)]