261189720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65957}}^1$

素因数の和:65985

約数の個数: 96

約数和(自身を含む): 926050320

約数和(自身を除く): 664860600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 65957, 131914, 197871, 263828, 329785, 395742, 527656, 593613, 659570, 725527, 791484, 989355, 1187226, 1319140, 1451054, 1582968, 1978710, 2176581, 2374452, 2638280, 2902108, 2968065, 3627635, 3957420, 4353162, 4748904, 5804216, 5936130, 6529743, 7255270, 7914840, 8706324, 10882905, 11872260, 13059486, 14510540, 17412648, 21765810, 23744520, 26118972, 29021080, 32648715, 43531620, 52237944, 65297430, 87063240, 130594860, 261189720]

約数ペア:

[(1, 261189720), (2, 130594860), (3, 87063240), (4, 65297430), (5, 52237944), (6, 43531620), (8, 32648715), (9, 29021080), (10, 26118972), (11, 23744520), (12, 21765810), (15, 17412648), (18, 14510540), (20, 13059486), (22, 11872260), (24, 10882905), (30, 8706324), (33, 7914840), (36, 7255270), (40, 6529743), (44, 5936130), (45, 5804216), (55, 4748904), (60, 4353162), (66, 3957420), (72, 3627635), (88, 2968065), (90, 2902108), (99, 2638280), (110, 2374452), (120, 2176581), (132, 1978710), (165, 1582968), (180, 1451054), (198, 1319140), (220, 1187226), (264, 989355), (330, 791484), (360, 725527), (396, 659570), (440, 593613), (495, 527656), (660, 395742), (792, 329785), (990, 263828), (1320, 197871), (1980, 131914), (3960, 65957)]