740421405

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:928

約数の個数: 80

約数和(自身を含む): 1400471424

約数和(自身を除く): 660050019

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 101, 115, 135, 207, 303, 345, 405, 505, 621, 787, 909, 1035, 1515, 1863, 2323, 2361, 2727, 3105, 3935, 4545, 6969, 7083, 8181, 9315, 11615, 11805, 13635, 18101, 20907, 21249, 34845, 35415, 40905, 54303, 62721, 63747, 79487, 90505, 104535, 106245, 162909, 188163, 238461, 271515, 313605, 318735, 397435, 488727, 715383, 814545, 940815, 1192305, 1466181, 1828201, 2146149, 2443635, 3576915, 5484603, 6438447, 7330905, 9141005, 10730745, 16453809, 27423015, 32192235, 49361427, 82269045, 148084281, 246807135, 740421405]

約数ペア:

[(1, 740421405), (3, 246807135), (5, 148084281), (9, 82269045), (15, 49361427), (23, 32192235), (27, 27423015), (45, 16453809), (69, 10730745), (81, 9141005), (101, 7330905), (115, 6438447), (135, 5484603), (207, 3576915), (303, 2443635), (345, 2146149), (405, 1828201), (505, 1466181), (621, 1192305), (787, 940815), (909, 814545), (1035, 715383), (1515, 488727), (1863, 397435), (2323, 318735), (2361, 313605), (2727, 271515), (3105, 238461), (3935, 188163), (4545, 162909), (6969, 106245), (7083, 104535), (8181, 90505), (9315, 79487), (11615, 63747), (11805, 62721), (13635, 54303), (18101, 40905), (20907, 35415), (21249, 34845)]