20155230

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:335

約数の個数: 80

約数和(自身を含む): 54885600

約数和(自身を除く): 34730370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 149, 162, 167, 270, 298, 334, 405, 447, 501, 745, 810, 835, 894, 1002, 1341, 1490, 1503, 1670, 2235, 2505, 2682, 3006, 4023, 4470, 4509, 5010, 6705, 7515, 8046, 9018, 12069, 13410, 13527, 15030, 20115, 22545, 24138, 24883, 27054, 40230, 45090, 49766, 60345, 67635, 74649, 120690, 124415, 135270, 149298, 223947, 248830, 373245, 447894, 671841, 746490, 1119735, 1343682, 2015523, 2239470, 3359205, 4031046, 6718410, 10077615, 20155230]

約数ペア:

[(1, 20155230), (2, 10077615), (3, 6718410), (5, 4031046), (6, 3359205), (9, 2239470), (10, 2015523), (15, 1343682), (18, 1119735), (27, 746490), (30, 671841), (45, 447894), (54, 373245), (81, 248830), (90, 223947), (135, 149298), (149, 135270), (162, 124415), (167, 120690), (270, 74649), (298, 67635), (334, 60345), (405, 49766), (447, 45090), (501, 40230), (745, 27054), (810, 24883), (835, 24138), (894, 22545), (1002, 20115), (1341, 15030), (1490, 13527), (1503, 13410), (1670, 12069), (2235, 9018), (2505, 8046), (2682, 7515), (3006, 6705), (4023, 5010), (4470, 4509)]