15212820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1297

約数の個数: 96

約数和(自身を含む): 50400000

約数和(自身を除く): 35187180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1249, 1740, 2030, 2436, 2498, 3045, 3747, 4060, 4996, 6090, 6245, 7494, 8743, 12180, 12490, 14988, 17486, 18735, 24980, 26229, 34972, 36221, 37470, 43715, 52458, 72442, 74940, 87430, 104916, 108663, 131145, 144884, 174860, 181105, 217326, 253547, 262290, 362210, 434652, 507094, 524580, 543315, 724420, 760641, 1014188, 1086630, 1267735, 1521282, 2173260, 2535470, 3042564, 3803205, 5070940, 7606410, 15212820]

約数ペア:

[(1, 15212820), (2, 7606410), (3, 5070940), (4, 3803205), (5, 3042564), (6, 2535470), (7, 2173260), (10, 1521282), (12, 1267735), (14, 1086630), (15, 1014188), (20, 760641), (21, 724420), (28, 543315), (29, 524580), (30, 507094), (35, 434652), (42, 362210), (58, 262290), (60, 253547), (70, 217326), (84, 181105), (87, 174860), (105, 144884), (116, 131145), (140, 108663), (145, 104916), (174, 87430), (203, 74940), (210, 72442), (290, 52458), (348, 43715), (406, 37470), (420, 36221), (435, 34972), (580, 26229), (609, 24980), (812, 18735), (870, 17486), (1015, 14988), (1218, 12490), (1249, 12180), (1740, 8743), (2030, 7494), (2436, 6245), (2498, 6090), (3045, 4996), (3747, 4060)]