138758220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4259}}^1$

素因数の和:4455

約数の個数: 72

約数和(自身を含む): 423324720

約数和(自身を除く): 284566500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 4259, 5430, 6516, 8145, 8518, 10860, 12777, 16290, 17036, 21295, 25554, 32580, 38331, 42590, 51108, 63885, 76662, 85180, 127770, 153324, 191655, 255540, 383310, 766620, 770879, 1541758, 2312637, 3083516, 3854395, 4625274, 6937911, 7708790, 9250548, 11563185, 13875822, 15417580, 23126370, 27751644, 34689555, 46252740, 69379110, 138758220]

約数ペア:

[(1, 138758220), (2, 69379110), (3, 46252740), (4, 34689555), (5, 27751644), (6, 23126370), (9, 15417580), (10, 13875822), (12, 11563185), (15, 9250548), (18, 7708790), (20, 6937911), (30, 4625274), (36, 3854395), (45, 3083516), (60, 2312637), (90, 1541758), (180, 770879), (181, 766620), (362, 383310), (543, 255540), (724, 191655), (905, 153324), (1086, 127770), (1629, 85180), (1810, 76662), (2172, 63885), (2715, 51108), (3258, 42590), (3620, 38331), (4259, 32580), (5430, 25554), (6516, 21295), (8145, 17036), (8518, 16290), (10860, 12777)]