137885920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:548

約数の個数: 96

約数和(自身を含む): 344554560

約数和(自身を除く): 206668640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 89, 92, 115, 160, 178, 184, 230, 356, 368, 421, 445, 460, 712, 736, 842, 890, 920, 1424, 1684, 1780, 1840, 2047, 2105, 2848, 3368, 3560, 3680, 4094, 4210, 6736, 7120, 8188, 8420, 9683, 10235, 13472, 14240, 16376, 16840, 19366, 20470, 32752, 33680, 37469, 38732, 40940, 48415, 65504, 67360, 74938, 77464, 81880, 96830, 149876, 154928, 163760, 187345, 193660, 299752, 309856, 327520, 374690, 387320, 599504, 749380, 774640, 861787, 1199008, 1498760, 1549280, 1723574, 2997520, 3447148, 4308935, 5995040, 6894296, 8617870, 13788592, 17235740, 27577184, 34471480, 68942960, 137885920]

約数ペア:

[(1, 137885920), (2, 68942960), (4, 34471480), (5, 27577184), (8, 17235740), (10, 13788592), (16, 8617870), (20, 6894296), (23, 5995040), (32, 4308935), (40, 3447148), (46, 2997520), (80, 1723574), (89, 1549280), (92, 1498760), (115, 1199008), (160, 861787), (178, 774640), (184, 749380), (230, 599504), (356, 387320), (368, 374690), (421, 327520), (445, 309856), (460, 299752), (712, 193660), (736, 187345), (842, 163760), (890, 154928), (920, 149876), (1424, 96830), (1684, 81880), (1780, 77464), (1840, 74938), (2047, 67360), (2105, 65504), (2848, 48415), (3368, 40940), (3560, 38732), (3680, 37469), (4094, 33680), (4210, 32752), (6736, 20470), (7120, 19366), (8188, 16840), (8420, 16376), (9683, 14240), (10235, 13472)]