12915240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 44271360

約数和(自身を除く): 31356120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 487, 510, 520, 663, 680, 780, 884, 974, 1020, 1105, 1326, 1461, 1560, 1768, 1948, 2040, 2210, 2435, 2652, 2922, 3315, 3896, 4420, 4870, 5304, 5844, 6331, 6630, 7305, 8279, 8840, 9740, 11688, 12662, 13260, 14610, 16558, 18993, 19480, 24837, 25324, 26520, 29220, 31655, 33116, 37986, 41395, 49674, 50648, 58440, 63310, 66232, 75972, 82790, 94965, 99348, 107627, 124185, 126620, 151944, 165580, 189930, 198696, 215254, 248370, 253240, 322881, 331160, 379860, 430508, 496740, 538135, 645762, 759720, 861016, 993480, 1076270, 1291524, 1614405, 2152540, 2583048, 3228810, 4305080, 6457620, 12915240]

約数ペア:

[(1, 12915240), (2, 6457620), (3, 4305080), (4, 3228810), (5, 2583048), (6, 2152540), (8, 1614405), (10, 1291524), (12, 1076270), (13, 993480), (15, 861016), (17, 759720), (20, 645762), (24, 538135), (26, 496740), (30, 430508), (34, 379860), (39, 331160), (40, 322881), (51, 253240), (52, 248370), (60, 215254), (65, 198696), (68, 189930), (78, 165580), (85, 151944), (102, 126620), (104, 124185), (120, 107627), (130, 99348), (136, 94965), (156, 82790), (170, 75972), (195, 66232), (204, 63310), (221, 58440), (255, 50648), (260, 49674), (312, 41395), (340, 37986), (390, 33116), (408, 31655), (442, 29220), (487, 26520), (510, 25324), (520, 24837), (663, 19480), (680, 18993), (780, 16558), (884, 14610), (974, 13260), (1020, 12662), (1105, 11688), (1326, 9740), (1461, 8840), (1560, 8279), (1768, 7305), (1948, 6630), (2040, 6331), (2210, 5844), (2435, 5304), (2652, 4870), (2922, 4420), (3315, 3896)]