68698880

素因数分解:

$2^8\times 5^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 166005504

約数和(自身を除く): 97306624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 256, 281, 320, 382, 562, 640, 764, 955, 1124, 1280, 1405, 1528, 1910, 2248, 2810, 3056, 3820, 4496, 5620, 6112, 7640, 8992, 11240, 12224, 15280, 17984, 22480, 24448, 30560, 35968, 44960, 48896, 53671, 61120, 71936, 89920, 107342, 122240, 179840, 214684, 244480, 268355, 359680, 429368, 536710, 858736, 1073420, 1717472, 2146840, 3434944, 4293680, 6869888, 8587360, 13739776, 17174720, 34349440, 68698880]

約数ペア:

[(1, 68698880), (2, 34349440), (4, 17174720), (5, 13739776), (8, 8587360), (10, 6869888), (16, 4293680), (20, 3434944), (32, 2146840), (40, 1717472), (64, 1073420), (80, 858736), (128, 536710), (160, 429368), (191, 359680), (256, 268355), (281, 244480), (320, 214684), (382, 179840), (562, 122240), (640, 107342), (764, 89920), (955, 71936), (1124, 61120), (1280, 53671), (1405, 48896), (1528, 44960), (1910, 35968), (2248, 30560), (2810, 24448), (3056, 22480), (3820, 17984), (4496, 15280), (5620, 12224), (6112, 11240), (7640, 8992)]