71688420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6529}}^1$

素因数の和:6605

約数の個数: 72

約数和(自身を含む): 221053560

約数和(自身を除く): 149365140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 6529, 10980, 13058, 19587, 26116, 32645, 39174, 58761, 65290, 78348, 97935, 117522, 130580, 195870, 235044, 293805, 391740, 398269, 587610, 796538, 1175220, 1194807, 1593076, 1991345, 2389614, 3584421, 3982690, 4779228, 5974035, 7168842, 7965380, 11948070, 14337684, 17922105, 23896140, 35844210, 71688420]

約数ペア:

[(1, 71688420), (2, 35844210), (3, 23896140), (4, 17922105), (5, 14337684), (6, 11948070), (9, 7965380), (10, 7168842), (12, 5974035), (15, 4779228), (18, 3982690), (20, 3584421), (30, 2389614), (36, 1991345), (45, 1593076), (60, 1194807), (61, 1175220), (90, 796538), (122, 587610), (180, 398269), (183, 391740), (244, 293805), (305, 235044), (366, 195870), (549, 130580), (610, 117522), (732, 97935), (915, 78348), (1098, 65290), (1220, 58761), (1830, 39174), (2196, 32645), (2745, 26116), (3660, 19587), (5490, 13058), (6529, 10980)]