151313220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2161}}^1$

素因数の和:2565

約数の個数: 72

約数和(自身を含む): 460376280

約数和(自身を除く): 309063060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1556, 1945, 2161, 2334, 3501, 3890, 4322, 4668, 5835, 6483, 7002, 7780, 8644, 10805, 11670, 12966, 14004, 17505, 19449, 21610, 23340, 25932, 32415, 35010, 38898, 43220, 64830, 70020, 77796, 97245, 129660, 194490, 388980, 840629, 1681258, 2521887, 3362516, 4203145, 5043774, 7565661, 8406290, 10087548, 12609435, 15131322, 16812580, 25218870, 30262644, 37828305, 50437740, 75656610, 151313220]

約数ペア:

[(1, 151313220), (2, 75656610), (3, 50437740), (4, 37828305), (5, 30262644), (6, 25218870), (9, 16812580), (10, 15131322), (12, 12609435), (15, 10087548), (18, 8406290), (20, 7565661), (30, 5043774), (36, 4203145), (45, 3362516), (60, 2521887), (90, 1681258), (180, 840629), (389, 388980), (778, 194490), (1167, 129660), (1556, 97245), (1945, 77796), (2161, 70020), (2334, 64830), (3501, 43220), (3890, 38898), (4322, 35010), (4668, 32415), (5835, 25932), (6483, 23340), (7002, 21610), (7780, 19449), (8644, 17505), (10805, 14004), (11670, 12966)]