51961860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16981}}^1$

素因数の和:17013

約数の個数: 72

約数和(自身を含む): 166899096

約数和(自身を除く): 114937236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 16981, 33962, 50943, 67924, 84905, 101886, 152829, 169810, 203772, 254715, 288677, 305658, 339620, 509430, 577354, 611316, 764145, 866031, 1018860, 1154708, 1443385, 1528290, 1732062, 2598093, 2886770, 3056580, 3464124, 4330155, 5196186, 5773540, 8660310, 10392372, 12990465, 17320620, 25980930, 51961860]

約数ペア:

[(1, 51961860), (2, 25980930), (3, 17320620), (4, 12990465), (5, 10392372), (6, 8660310), (9, 5773540), (10, 5196186), (12, 4330155), (15, 3464124), (17, 3056580), (18, 2886770), (20, 2598093), (30, 1732062), (34, 1528290), (36, 1443385), (45, 1154708), (51, 1018860), (60, 866031), (68, 764145), (85, 611316), (90, 577354), (102, 509430), (153, 339620), (170, 305658), (180, 288677), (204, 254715), (255, 203772), (306, 169810), (340, 152829), (510, 101886), (612, 84905), (765, 67924), (1020, 50943), (1530, 33962), (3060, 16981)]