331388960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1055

約数の個数: 144

約数和(自身を含む): 932855616

約数和(自身を除く): 601466656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 344, 392, 430, 490, 560, 602, 688, 784, 860, 980, 983, 1120, 1204, 1376, 1505, 1568, 1720, 1960, 1966, 2107, 2408, 3010, 3440, 3920, 3932, 4214, 4816, 4915, 6020, 6880, 6881, 7840, 7864, 8428, 9632, 9830, 10535, 12040, 13762, 15728, 16856, 19660, 21070, 24080, 27524, 31456, 33712, 34405, 39320, 42140, 42269, 48160, 48167, 55048, 67424, 68810, 78640, 84280, 84538, 96334, 110096, 137620, 157280, 168560, 169076, 192668, 211345, 220192, 240835, 275240, 295883, 337120, 338152, 385336, 422690, 481670, 550480, 591766, 676304, 770672, 845380, 963340, 1100960, 1183532, 1352608, 1479415, 1541344, 1690760, 1926680, 2071181, 2367064, 2958830, 3381520, 3853360, 4142362, 4734128, 5917660, 6763040, 7706720, 8284724, 9468256, 10355905, 11835320, 16569448, 20711810, 23670640, 33138896, 41423620, 47341280, 66277792, 82847240, 165694480, 331388960]

約数ペア:

[(1, 331388960), (2, 165694480), (4, 82847240), (5, 66277792), (7, 47341280), (8, 41423620), (10, 33138896), (14, 23670640), (16, 20711810), (20, 16569448), (28, 11835320), (32, 10355905), (35, 9468256), (40, 8284724), (43, 7706720), (49, 6763040), (56, 5917660), (70, 4734128), (80, 4142362), (86, 3853360), (98, 3381520), (112, 2958830), (140, 2367064), (160, 2071181), (172, 1926680), (196, 1690760), (215, 1541344), (224, 1479415), (245, 1352608), (280, 1183532), (301, 1100960), (344, 963340), (392, 845380), (430, 770672), (490, 676304), (560, 591766), (602, 550480), (688, 481670), (784, 422690), (860, 385336), (980, 338152), (983, 337120), (1120, 295883), (1204, 275240), (1376, 240835), (1505, 220192), (1568, 211345), (1720, 192668), (1960, 169076), (1966, 168560), (2107, 157280), (2408, 137620), (3010, 110096), (3440, 96334), (3920, 84538), (3932, 84280), (4214, 78640), (4816, 68810), (4915, 67424), (6020, 55048), (6880, 48167), (6881, 48160), (7840, 42269), (7864, 42140), (8428, 39320), (9632, 34405), (9830, 33712), (10535, 31456), (12040, 27524), (13762, 24080), (15728, 21070), (16856, 19660)]