66540800

素因数分解:

$2^8\times 5^2\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 108

約数和(自身を含む): 169752156

約数和(自身を除く): 103211356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 128, 148, 160, 185, 200, 256, 281, 296, 320, 370, 400, 562, 592, 640, 740, 800, 925, 1124, 1184, 1280, 1405, 1480, 1600, 1850, 2248, 2368, 2810, 2960, 3200, 3700, 4496, 4736, 5620, 5920, 6400, 7025, 7400, 8992, 9472, 10397, 11240, 11840, 14050, 14800, 17984, 20794, 22480, 23680, 28100, 29600, 35968, 41588, 44960, 47360, 51985, 56200, 59200, 71936, 83176, 89920, 103970, 112400, 118400, 166352, 179840, 207940, 224800, 236800, 259925, 332704, 359680, 415880, 449600, 519850, 665408, 831760, 899200, 1039700, 1330816, 1663520, 1798400, 2079400, 2661632, 3327040, 4158800, 6654080, 8317600, 13308160, 16635200, 33270400, 66540800]

約数ペア:

[(1, 66540800), (2, 33270400), (4, 16635200), (5, 13308160), (8, 8317600), (10, 6654080), (16, 4158800), (20, 3327040), (25, 2661632), (32, 2079400), (37, 1798400), (40, 1663520), (50, 1330816), (64, 1039700), (74, 899200), (80, 831760), (100, 665408), (128, 519850), (148, 449600), (160, 415880), (185, 359680), (200, 332704), (256, 259925), (281, 236800), (296, 224800), (320, 207940), (370, 179840), (400, 166352), (562, 118400), (592, 112400), (640, 103970), (740, 89920), (800, 83176), (925, 71936), (1124, 59200), (1184, 56200), (1280, 51985), (1405, 47360), (1480, 44960), (1600, 41588), (1850, 35968), (2248, 29600), (2368, 28100), (2810, 23680), (2960, 22480), (3200, 20794), (3700, 17984), (4496, 14800), (4736, 14050), (5620, 11840), (5920, 11240), (6400, 10397), (7025, 9472), (7400, 8992)]