2018323840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{661}}^1$

素因数の和:1060

約数の個数: 128

約数和(自身を含む): 5218254720

約数和(自身を除く): 3199930880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 367, 416, 520, 640, 661, 734, 832, 1040, 1322, 1468, 1664, 1835, 2080, 2644, 2936, 3305, 3670, 4160, 4771, 5288, 5872, 6610, 7340, 8320, 8593, 9542, 10576, 11744, 13220, 14680, 17186, 19084, 21152, 23488, 23855, 26440, 29360, 34372, 38168, 42304, 42965, 46976, 47710, 52880, 58720, 68744, 76336, 84608, 85930, 95420, 105760, 117440, 137488, 152672, 171860, 190840, 211520, 234880, 242587, 274976, 305344, 343720, 381680, 423040, 485174, 549952, 610688, 687440, 763360, 970348, 1099904, 1212935, 1374880, 1526720, 1940696, 2425870, 2749760, 3053440, 3153631, 3881392, 4851740, 5499520, 6307262, 7762784, 9703480, 12614524, 15525568, 15768155, 19406960, 25229048, 31051136, 31536310, 38813920, 50458096, 63072620, 77627840, 100916192, 126145240, 155255680, 201832384, 252290480, 403664768, 504580960, 1009161920, 2018323840]

約数ペア:

[(1, 2018323840), (2, 1009161920), (4, 504580960), (5, 403664768), (8, 252290480), (10, 201832384), (13, 155255680), (16, 126145240), (20, 100916192), (26, 77627840), (32, 63072620), (40, 50458096), (52, 38813920), (64, 31536310), (65, 31051136), (80, 25229048), (104, 19406960), (128, 15768155), (130, 15525568), (160, 12614524), (208, 9703480), (260, 7762784), (320, 6307262), (367, 5499520), (416, 4851740), (520, 3881392), (640, 3153631), (661, 3053440), (734, 2749760), (832, 2425870), (1040, 1940696), (1322, 1526720), (1468, 1374880), (1664, 1212935), (1835, 1099904), (2080, 970348), (2644, 763360), (2936, 687440), (3305, 610688), (3670, 549952), (4160, 485174), (4771, 423040), (5288, 381680), (5872, 343720), (6610, 305344), (7340, 274976), (8320, 242587), (8593, 234880), (9542, 211520), (10576, 190840), (11744, 171860), (13220, 152672), (14680, 137488), (17186, 117440), (19084, 105760), (21152, 95420), (23488, 85930), (23855, 84608), (26440, 76336), (29360, 68744), (34372, 58720), (38168, 52880), (42304, 47710), (42965, 46976)]