72405720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11831}}^1$

素因数の和:11865

約数の個数: 96

約数和(自身を含む): 249181920

約数和(自身を除く): 176776200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 11831, 23662, 35493, 47324, 59155, 70986, 94648, 106479, 118310, 141972, 177465, 201127, 212958, 236620, 283944, 354930, 402254, 425916, 473240, 532395, 603381, 709860, 804508, 851832, 1005635, 1064790, 1206762, 1419720, 1609016, 1810143, 2011270, 2129580, 2413524, 3016905, 3620286, 4022540, 4259160, 4827048, 6033810, 7240572, 8045080, 9050715, 12067620, 14481144, 18101430, 24135240, 36202860, 72405720]

約数ペア:

[(1, 72405720), (2, 36202860), (3, 24135240), (4, 18101430), (5, 14481144), (6, 12067620), (8, 9050715), (9, 8045080), (10, 7240572), (12, 6033810), (15, 4827048), (17, 4259160), (18, 4022540), (20, 3620286), (24, 3016905), (30, 2413524), (34, 2129580), (36, 2011270), (40, 1810143), (45, 1609016), (51, 1419720), (60, 1206762), (68, 1064790), (72, 1005635), (85, 851832), (90, 804508), (102, 709860), (120, 603381), (136, 532395), (153, 473240), (170, 425916), (180, 402254), (204, 354930), (255, 283944), (306, 236620), (340, 212958), (360, 201127), (408, 177465), (510, 141972), (612, 118310), (680, 106479), (765, 94648), (1020, 70986), (1224, 59155), (1530, 47324), (2040, 35493), (3060, 23662), (6120, 11831)]