31396560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 160

約数和(自身を含む): 108743040

約数和(自身を除く): 77346480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 39, 40, 48, 52, 58, 60, 65, 78, 80, 87, 104, 116, 120, 130, 145, 156, 174, 195, 208, 232, 240, 260, 290, 312, 347, 348, 377, 390, 435, 464, 520, 580, 624, 694, 696, 754, 780, 870, 1040, 1041, 1131, 1160, 1388, 1392, 1508, 1560, 1735, 1740, 1885, 2082, 2262, 2320, 2776, 3016, 3120, 3470, 3480, 3770, 4164, 4511, 4524, 5205, 5552, 5655, 6032, 6940, 6960, 7540, 8328, 9022, 9048, 10063, 10410, 11310, 13533, 13880, 15080, 16656, 18044, 18096, 20126, 20820, 22555, 22620, 27066, 27760, 30160, 30189, 36088, 40252, 41640, 45110, 45240, 50315, 54132, 60378, 67665, 72176, 80504, 83280, 90220, 90480, 100630, 108264, 120756, 130819, 135330, 150945, 161008, 180440, 201260, 216528, 241512, 261638, 270660, 301890, 360880, 392457, 402520, 483024, 523276, 541320, 603780, 654095, 784914, 805040, 1046552, 1082640, 1207560, 1308190, 1569828, 1962285, 2093104, 2415120, 2616380, 3139656, 3924570, 5232760, 6279312, 7849140, 10465520, 15698280, 31396560]

約数ペア:

[(1, 31396560), (2, 15698280), (3, 10465520), (4, 7849140), (5, 6279312), (6, 5232760), (8, 3924570), (10, 3139656), (12, 2616380), (13, 2415120), (15, 2093104), (16, 1962285), (20, 1569828), (24, 1308190), (26, 1207560), (29, 1082640), (30, 1046552), (39, 805040), (40, 784914), (48, 654095), (52, 603780), (58, 541320), (60, 523276), (65, 483024), (78, 402520), (80, 392457), (87, 360880), (104, 301890), (116, 270660), (120, 261638), (130, 241512), (145, 216528), (156, 201260), (174, 180440), (195, 161008), (208, 150945), (232, 135330), (240, 130819), (260, 120756), (290, 108264), (312, 100630), (347, 90480), (348, 90220), (377, 83280), (390, 80504), (435, 72176), (464, 67665), (520, 60378), (580, 54132), (624, 50315), (694, 45240), (696, 45110), (754, 41640), (780, 40252), (870, 36088), (1040, 30189), (1041, 30160), (1131, 27760), (1160, 27066), (1388, 22620), (1392, 22555), (1508, 20820), (1560, 20126), (1735, 18096), (1740, 18044), (1885, 16656), (2082, 15080), (2262, 13880), (2320, 13533), (2776, 11310), (3016, 10410), (3120, 10063), (3470, 9048), (3480, 9022), (3770, 8328), (4164, 7540), (4511, 6960), (4524, 6940), (5205, 6032), (5552, 5655)]