129428520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:699

約数の個数: 128

約数和(自身を含む): 421545600

約数和(自身を除く): 292117080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 163, 195, 260, 312, 326, 390, 489, 509, 520, 652, 780, 815, 978, 1018, 1304, 1527, 1560, 1630, 1956, 2036, 2119, 2445, 2545, 3054, 3260, 3912, 4072, 4238, 4890, 5090, 6108, 6357, 6520, 6617, 7635, 8476, 9780, 10180, 10595, 12216, 12714, 13234, 15270, 16952, 19560, 19851, 20360, 21190, 25428, 26468, 30540, 31785, 33085, 39702, 42380, 50856, 52936, 61080, 63570, 66170, 79404, 82967, 84760, 99255, 127140, 132340, 158808, 165934, 198510, 248901, 254280, 264680, 331868, 397020, 414835, 497802, 663736, 794040, 829670, 995604, 1078571, 1244505, 1659340, 1991208, 2157142, 2489010, 3235713, 3318680, 4314284, 4978020, 5392855, 6471426, 8628568, 9956040, 10785710, 12942852, 16178565, 21571420, 25885704, 32357130, 43142840, 64714260, 129428520]

約数ペア:

[(1, 129428520), (2, 64714260), (3, 43142840), (4, 32357130), (5, 25885704), (6, 21571420), (8, 16178565), (10, 12942852), (12, 10785710), (13, 9956040), (15, 8628568), (20, 6471426), (24, 5392855), (26, 4978020), (30, 4314284), (39, 3318680), (40, 3235713), (52, 2489010), (60, 2157142), (65, 1991208), (78, 1659340), (104, 1244505), (120, 1078571), (130, 995604), (156, 829670), (163, 794040), (195, 663736), (260, 497802), (312, 414835), (326, 397020), (390, 331868), (489, 264680), (509, 254280), (520, 248901), (652, 198510), (780, 165934), (815, 158808), (978, 132340), (1018, 127140), (1304, 99255), (1527, 84760), (1560, 82967), (1630, 79404), (1956, 66170), (2036, 63570), (2119, 61080), (2445, 52936), (2545, 50856), (3054, 42380), (3260, 39702), (3912, 33085), (4072, 31785), (4238, 30540), (4890, 26468), (5090, 25428), (6108, 21190), (6357, 20360), (6520, 19851), (6617, 19560), (7635, 16952), (8476, 15270), (9780, 13234), (10180, 12714), (10595, 12216)]