80523240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 277896960

約数和(自身を除く): 197373720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 257, 280, 373, 420, 514, 746, 771, 840, 1028, 1119, 1285, 1492, 1542, 1799, 1865, 2056, 2238, 2570, 2611, 2984, 3084, 3598, 3730, 3855, 4476, 5140, 5222, 5397, 5595, 6168, 7196, 7460, 7710, 7833, 8952, 8995, 10280, 10444, 10794, 11190, 13055, 14392, 14920, 15420, 15666, 17990, 20888, 21588, 22380, 26110, 26985, 30840, 31332, 35980, 39165, 43176, 44760, 52220, 53970, 62664, 71960, 78330, 95861, 104440, 107940, 156660, 191722, 215880, 287583, 313320, 383444, 479305, 575166, 671027, 766888, 958610, 1150332, 1342054, 1437915, 1917220, 2013081, 2300664, 2684108, 2875830, 3355135, 3834440, 4026162, 5368216, 5751660, 6710270, 8052324, 10065405, 11503320, 13420540, 16104648, 20130810, 26841080, 40261620, 80523240]

約数ペア:

[(1, 80523240), (2, 40261620), (3, 26841080), (4, 20130810), (5, 16104648), (6, 13420540), (7, 11503320), (8, 10065405), (10, 8052324), (12, 6710270), (14, 5751660), (15, 5368216), (20, 4026162), (21, 3834440), (24, 3355135), (28, 2875830), (30, 2684108), (35, 2300664), (40, 2013081), (42, 1917220), (56, 1437915), (60, 1342054), (70, 1150332), (84, 958610), (105, 766888), (120, 671027), (140, 575166), (168, 479305), (210, 383444), (257, 313320), (280, 287583), (373, 215880), (420, 191722), (514, 156660), (746, 107940), (771, 104440), (840, 95861), (1028, 78330), (1119, 71960), (1285, 62664), (1492, 53970), (1542, 52220), (1799, 44760), (1865, 43176), (2056, 39165), (2238, 35980), (2570, 31332), (2611, 30840), (2984, 26985), (3084, 26110), (3598, 22380), (3730, 21588), (3855, 20888), (4476, 17990), (5140, 15666), (5222, 15420), (5397, 14920), (5595, 14392), (6168, 13055), (7196, 11190), (7460, 10794), (7710, 10444), (7833, 10280), (8952, 8995)]