2172420

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{149}}^1$

素因数の和:176

約数の個数: 84

約数和(自身を含む): 6885900

約数和(自身を除く): 4713480

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 149, 162, 180, 243, 270, 298, 324, 405, 447, 486, 540, 596, 729, 745, 810, 894, 972, 1215, 1341, 1458, 1490, 1620, 1788, 2235, 2430, 2682, 2916, 2980, 3645, 4023, 4470, 4860, 5364, 6705, 7290, 8046, 8940, 12069, 13410, 14580, 16092, 20115, 24138, 26820, 36207, 40230, 48276, 60345, 72414, 80460, 108621, 120690, 144828, 181035, 217242, 241380, 362070, 434484, 543105, 724140, 1086210, 2172420]

約数ペア:

[(1, 2172420), (2, 1086210), (3, 724140), (4, 543105), (5, 434484), (6, 362070), (9, 241380), (10, 217242), (12, 181035), (15, 144828), (18, 120690), (20, 108621), (27, 80460), (30, 72414), (36, 60345), (45, 48276), (54, 40230), (60, 36207), (81, 26820), (90, 24138), (108, 20115), (135, 16092), (149, 14580), (162, 13410), (180, 12069), (243, 8940), (270, 8046), (298, 7290), (324, 6705), (405, 5364), (447, 4860), (486, 4470), (540, 4023), (596, 3645), (729, 2980), (745, 2916), (810, 2682), (894, 2430), (972, 2235), (1215, 1788), (1341, 1620), (1458, 1490)]