81176000

素因数分解:

$2^6\times 5^3\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 112

約数和(自身を含む): 205252320

約数和(自身を除く): 124076320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 73, 80, 100, 125, 139, 146, 160, 200, 250, 278, 292, 320, 365, 400, 500, 556, 584, 695, 730, 800, 1000, 1112, 1168, 1390, 1460, 1600, 1825, 2000, 2224, 2336, 2780, 2920, 3475, 3650, 4000, 4448, 4672, 5560, 5840, 6950, 7300, 8000, 8896, 9125, 10147, 11120, 11680, 13900, 14600, 17375, 18250, 20294, 22240, 23360, 27800, 29200, 34750, 36500, 40588, 44480, 50735, 55600, 58400, 69500, 73000, 81176, 101470, 111200, 116800, 139000, 146000, 162352, 202940, 222400, 253675, 278000, 292000, 324704, 405880, 507350, 556000, 584000, 649408, 811760, 1014700, 1112000, 1268375, 1623520, 2029400, 2536750, 3247040, 4058800, 5073500, 8117600, 10147000, 16235200, 20294000, 40588000, 81176000]

約数ペア:

[(1, 81176000), (2, 40588000), (4, 20294000), (5, 16235200), (8, 10147000), (10, 8117600), (16, 5073500), (20, 4058800), (25, 3247040), (32, 2536750), (40, 2029400), (50, 1623520), (64, 1268375), (73, 1112000), (80, 1014700), (100, 811760), (125, 649408), (139, 584000), (146, 556000), (160, 507350), (200, 405880), (250, 324704), (278, 292000), (292, 278000), (320, 253675), (365, 222400), (400, 202940), (500, 162352), (556, 146000), (584, 139000), (695, 116800), (730, 111200), (800, 101470), (1000, 81176), (1112, 73000), (1168, 69500), (1390, 58400), (1460, 55600), (1600, 50735), (1825, 44480), (2000, 40588), (2224, 36500), (2336, 34750), (2780, 29200), (2920, 27800), (3475, 23360), (3650, 22240), (4000, 20294), (4448, 18250), (4672, 17375), (5560, 14600), (5840, 13900), (6950, 11680), (7300, 11120), (8000, 10147), (8896, 9125)]