388380420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1609}}^1$

素因数の和:1779

約数の個数: 120

約数和(自身を含む): 1227303000

約数和(自身を除く): 838922580

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, 270, 298, 324, 405, 447, 540, 596, 745, 810, 894, 1341, 1490, 1609, 1620, 1788, 2235, 2682, 2980, 3218, 4023, 4470, 4827, 5364, 6436, 6705, 8045, 8046, 8940, 9654, 12069, 13410, 14481, 16090, 16092, 19308, 20115, 24135, 24138, 26820, 28962, 32180, 40230, 43443, 48270, 48276, 57924, 60345, 72405, 80460, 86886, 96540, 120690, 130329, 144810, 173772, 217215, 239741, 241380, 260658, 289620, 434430, 479482, 521316, 651645, 719223, 868860, 958964, 1198705, 1303290, 1438446, 2157669, 2397410, 2606580, 2876892, 3596115, 4315338, 4794820, 6473007, 7192230, 8630676, 10788345, 12946014, 14384460, 19419021, 21576690, 25892028, 32365035, 38838042, 43153380, 64730070, 77676084, 97095105, 129460140, 194190210, 388380420]

約数ペア:

[(1, 388380420), (2, 194190210), (3, 129460140), (4, 97095105), (5, 77676084), (6, 64730070), (9, 43153380), (10, 38838042), (12, 32365035), (15, 25892028), (18, 21576690), (20, 19419021), (27, 14384460), (30, 12946014), (36, 10788345), (45, 8630676), (54, 7192230), (60, 6473007), (81, 4794820), (90, 4315338), (108, 3596115), (135, 2876892), (149, 2606580), (162, 2397410), (180, 2157669), (270, 1438446), (298, 1303290), (324, 1198705), (405, 958964), (447, 868860), (540, 719223), (596, 651645), (745, 521316), (810, 479482), (894, 434430), (1341, 289620), (1490, 260658), (1609, 241380), (1620, 239741), (1788, 217215), (2235, 173772), (2682, 144810), (2980, 130329), (3218, 120690), (4023, 96540), (4470, 86886), (4827, 80460), (5364, 72405), (6436, 60345), (6705, 57924), (8045, 48276), (8046, 48270), (8940, 43443), (9654, 40230), (12069, 32180), (13410, 28962), (14481, 26820), (16090, 24138), (16092, 24135), (19308, 20115)]