128408904

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 384969780

約数和(自身を除く): 256560876

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 61, 72, 78, 104, 117, 122, 156, 169, 173, 183, 234, 244, 312, 338, 346, 366, 468, 488, 507, 519, 549, 676, 692, 732, 793, 936, 1014, 1038, 1098, 1352, 1384, 1464, 1521, 1557, 1586, 2028, 2076, 2196, 2249, 2379, 3042, 3114, 3172, 4056, 4152, 4392, 4498, 4758, 6084, 6228, 6344, 6747, 7137, 8996, 9516, 10309, 10553, 12168, 12456, 13494, 14274, 17992, 19032, 20241, 20618, 21106, 26988, 28548, 29237, 30927, 31659, 40482, 41236, 42212, 53976, 57096, 58474, 61854, 63318, 80964, 82472, 84424, 87711, 92781, 94977, 116948, 123708, 126636, 137189, 161928, 175422, 185562, 189954, 233896, 247416, 253272, 263133, 274378, 350844, 371124, 379908, 411567, 526266, 548756, 701688, 742248, 759816, 823134, 1052532, 1097512, 1234701, 1646268, 1783457, 2105064, 2469402, 3292536, 3566914, 4938804, 5350371, 7133828, 9877608, 10700742, 14267656, 16051113, 21401484, 32102226, 42802968, 64204452, 128408904]

約数ペア:

[(1, 128408904), (2, 64204452), (3, 42802968), (4, 32102226), (6, 21401484), (8, 16051113), (9, 14267656), (12, 10700742), (13, 9877608), (18, 7133828), (24, 5350371), (26, 4938804), (36, 3566914), (39, 3292536), (52, 2469402), (61, 2105064), (72, 1783457), (78, 1646268), (104, 1234701), (117, 1097512), (122, 1052532), (156, 823134), (169, 759816), (173, 742248), (183, 701688), (234, 548756), (244, 526266), (312, 411567), (338, 379908), (346, 371124), (366, 350844), (468, 274378), (488, 263133), (507, 253272), (519, 247416), (549, 233896), (676, 189954), (692, 185562), (732, 175422), (793, 161928), (936, 137189), (1014, 126636), (1038, 123708), (1098, 116948), (1352, 94977), (1384, 92781), (1464, 87711), (1521, 84424), (1557, 82472), (1586, 80964), (2028, 63318), (2076, 61854), (2196, 58474), (2249, 57096), (2379, 53976), (3042, 42212), (3114, 41236), (3172, 40482), (4056, 31659), (4152, 30927), (4392, 29237), (4498, 28548), (4758, 26988), (6084, 21106), (6228, 20618), (6344, 20241), (6747, 19032), (7137, 17992), (8996, 14274), (9516, 13494), (10309, 12456), (10553, 12168)]