123948180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2243}}^1$

素因数の和:2565

約数の個数: 72

約数和(自身を含む): 377368992

約数和(自身を除く): 253420812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1535, 1842, 2243, 2763, 3070, 3684, 4486, 4605, 5526, 6140, 6729, 8972, 9210, 11052, 11215, 13458, 13815, 18420, 20187, 22430, 26916, 27630, 33645, 40374, 44860, 55260, 67290, 80748, 100935, 134580, 201870, 403740, 688601, 1377202, 2065803, 2754404, 3443005, 4131606, 6197409, 6886010, 8263212, 10329015, 12394818, 13772020, 20658030, 24789636, 30987045, 41316060, 61974090, 123948180]

約数ペア:

[(1, 123948180), (2, 61974090), (3, 41316060), (4, 30987045), (5, 24789636), (6, 20658030), (9, 13772020), (10, 12394818), (12, 10329015), (15, 8263212), (18, 6886010), (20, 6197409), (30, 4131606), (36, 3443005), (45, 2754404), (60, 2065803), (90, 1377202), (180, 688601), (307, 403740), (614, 201870), (921, 134580), (1228, 100935), (1535, 80748), (1842, 67290), (2243, 55260), (2763, 44860), (3070, 40374), (3684, 33645), (4486, 27630), (4605, 26916), (5526, 22430), (6140, 20187), (6729, 18420), (8972, 13815), (9210, 13458), (11052, 11215)]