311272320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:972

約数の個数: 128

約数和(自身を含む): 998000640

約数和(自身を除く): 686728320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 223, 240, 320, 384, 446, 480, 640, 669, 727, 892, 960, 1115, 1338, 1454, 1784, 1920, 2181, 2230, 2676, 2908, 3345, 3568, 3635, 4362, 4460, 5352, 5816, 6690, 7136, 7270, 8724, 8920, 10704, 10905, 11632, 13380, 14272, 14540, 17448, 17840, 21408, 21810, 23264, 26760, 28544, 29080, 34896, 35680, 42816, 43620, 46528, 53520, 58160, 69792, 71360, 85632, 87240, 93056, 107040, 116320, 139584, 142720, 162121, 174480, 214080, 232640, 279168, 324242, 348960, 428160, 465280, 486363, 648484, 697920, 810605, 972726, 1296968, 1395840, 1621210, 1945452, 2431815, 2593936, 3242420, 3890904, 4863630, 5187872, 6484840, 7781808, 9727260, 10375744, 12969680, 15563616, 19454520, 20751488, 25939360, 31127232, 38909040, 51878720, 62254464, 77818080, 103757440, 155636160, 311272320]

約数ペア:

[(1, 311272320), (2, 155636160), (3, 103757440), (4, 77818080), (5, 62254464), (6, 51878720), (8, 38909040), (10, 31127232), (12, 25939360), (15, 20751488), (16, 19454520), (20, 15563616), (24, 12969680), (30, 10375744), (32, 9727260), (40, 7781808), (48, 6484840), (60, 5187872), (64, 4863630), (80, 3890904), (96, 3242420), (120, 2593936), (128, 2431815), (160, 1945452), (192, 1621210), (223, 1395840), (240, 1296968), (320, 972726), (384, 810605), (446, 697920), (480, 648484), (640, 486363), (669, 465280), (727, 428160), (892, 348960), (960, 324242), (1115, 279168), (1338, 232640), (1454, 214080), (1784, 174480), (1920, 162121), (2181, 142720), (2230, 139584), (2676, 116320), (2908, 107040), (3345, 93056), (3568, 87240), (3635, 85632), (4362, 71360), (4460, 69792), (5352, 58160), (5816, 53520), (6690, 46528), (7136, 43620), (7270, 42816), (8724, 35680), (8920, 34896), (10704, 29080), (10905, 28544), (11632, 26760), (13380, 23264), (14272, 21810), (14540, 21408), (17448, 17840)]