217620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:62

約数の個数: 96

約数和(自身を含む): 752640

約数和(自身を除く): 535020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 90, 93, 108, 117, 124, 130, 135, 155, 156, 180, 186, 195, 234, 260, 270, 279, 310, 351, 372, 390, 403, 465, 468, 540, 558, 585, 620, 702, 780, 806, 837, 930, 1116, 1170, 1209, 1395, 1404, 1612, 1674, 1755, 1860, 2015, 2340, 2418, 2790, 3348, 3510, 3627, 4030, 4185, 4836, 5580, 6045, 7020, 7254, 8060, 8370, 10881, 12090, 14508, 16740, 18135, 21762, 24180, 36270, 43524, 54405, 72540, 108810, 217620]

約数ペア:

[(1, 217620), (2, 108810), (3, 72540), (4, 54405), (5, 43524), (6, 36270), (9, 24180), (10, 21762), (12, 18135), (13, 16740), (15, 14508), (18, 12090), (20, 10881), (26, 8370), (27, 8060), (30, 7254), (31, 7020), (36, 6045), (39, 5580), (45, 4836), (52, 4185), (54, 4030), (60, 3627), (62, 3510), (65, 3348), (78, 2790), (90, 2418), (93, 2340), (108, 2015), (117, 1860), (124, 1755), (130, 1674), (135, 1612), (155, 1404), (156, 1395), (180, 1209), (186, 1170), (195, 1116), (234, 930), (260, 837), (270, 806), (279, 780), (310, 702), (351, 620), (372, 585), (390, 558), (403, 540), (465, 468)]