30516720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9781}}^1$

素因数の和:9810

約数の個数: 80

約数和(自身を含む): 101889312

約数和(自身を除く): 71372592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 9781, 19562, 29343, 39124, 48905, 58686, 78248, 97810, 117372, 127153, 146715, 156496, 195620, 234744, 254306, 293430, 381459, 391240, 469488, 508612, 586860, 635765, 762918, 782480, 1017224, 1173720, 1271530, 1525836, 1907295, 2034448, 2347440, 2543060, 3051672, 3814590, 5086120, 6103344, 7629180, 10172240, 15258360, 30516720]

約数ペア:

[(1, 30516720), (2, 15258360), (3, 10172240), (4, 7629180), (5, 6103344), (6, 5086120), (8, 3814590), (10, 3051672), (12, 2543060), (13, 2347440), (15, 2034448), (16, 1907295), (20, 1525836), (24, 1271530), (26, 1173720), (30, 1017224), (39, 782480), (40, 762918), (48, 635765), (52, 586860), (60, 508612), (65, 469488), (78, 391240), (80, 381459), (104, 293430), (120, 254306), (130, 234744), (156, 195620), (195, 156496), (208, 146715), (240, 127153), (260, 117372), (312, 97810), (390, 78248), (520, 58686), (624, 48905), (780, 39124), (1040, 29343), (1560, 19562), (3120, 9781)]