1297740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 3725568

約数和(自身を除く): 2427828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 503, 516, 645, 860, 1006, 1290, 1509, 2012, 2515, 2580, 3018, 5030, 6036, 7545, 10060, 15090, 21629, 30180, 43258, 64887, 86516, 108145, 129774, 216290, 259548, 324435, 432580, 648870, 1297740]

約数ペア:

[(1, 1297740), (2, 648870), (3, 432580), (4, 324435), (5, 259548), (6, 216290), (10, 129774), (12, 108145), (15, 86516), (20, 64887), (30, 43258), (43, 30180), (60, 21629), (86, 15090), (129, 10060), (172, 7545), (215, 6036), (258, 5030), (430, 3018), (503, 2580), (516, 2515), (645, 2012), (860, 1509), (1006, 1290)]