1620248870

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 3061255680

約数和(自身を除く): 1441006810

約数列:

[1, 2, 5, 10, 37, 73, 74, 146, 185, 223, 269, 365, 370, 446, 538, 730, 1115, 1345, 2230, 2690, 2701, 5402, 8251, 9953, 13505, 16279, 16502, 19637, 19906, 27010, 32558, 39274, 41255, 49765, 59987, 81395, 82510, 98185, 99530, 119974, 162790, 196370, 299935, 599870, 602323, 726569, 1204646, 1453138, 2219519, 3011615, 3632845, 4379051, 4439038, 6023230, 7265690, 8758102, 11097595, 21895255, 22195190, 43790510, 162024887, 324049774, 810124435, 1620248870]

約数ペア:

[(1, 1620248870), (2, 810124435), (5, 324049774), (10, 162024887), (37, 43790510), (73, 22195190), (74, 21895255), (146, 11097595), (185, 8758102), (223, 7265690), (269, 6023230), (365, 4439038), (370, 4379051), (446, 3632845), (538, 3011615), (730, 2219519), (1115, 1453138), (1345, 1204646), (2230, 726569), (2690, 602323), (2701, 599870), (5402, 299935), (8251, 196370), (9953, 162790), (13505, 119974), (16279, 99530), (16502, 98185), (19637, 82510), (19906, 81395), (27010, 59987), (32558, 49765), (39274, 41255)]