1620781184

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:650

約数の個数: 128

約数和(自身を含む): 3694325760

約数和(自身を除く): 2073544576

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 71, 88, 124, 128, 142, 176, 248, 284, 341, 352, 496, 523, 568, 682, 704, 781, 992, 1046, 1136, 1364, 1408, 1562, 1984, 2092, 2201, 2272, 2728, 3124, 3968, 4184, 4402, 4544, 5456, 5753, 6248, 8368, 8804, 9088, 10912, 11506, 12496, 16213, 16736, 17608, 21824, 23012, 24211, 24992, 32426, 33472, 35216, 37133, 43648, 46024, 48422, 49984, 64852, 66944, 70432, 74266, 92048, 96844, 99968, 129704, 140864, 148532, 178343, 184096, 193688, 259408, 281728, 297064, 356686, 368192, 387376, 408463, 518816, 594128, 713372, 736384, 774752, 816926, 1037632, 1151123, 1188256, 1426744, 1549504, 1633852, 2075264, 2302246, 2376512, 2853488, 3099008, 3267704, 4604492, 4753024, 5706976, 6535408, 9208984, 11413952, 12662353, 13070816, 18417968, 22827904, 25324706, 26141632, 36835936, 50649412, 52283264, 73671872, 101298824, 147343744, 202597648, 405195296, 810390592, 1620781184]

約数ペア:

[(1, 1620781184), (2, 810390592), (4, 405195296), (8, 202597648), (11, 147343744), (16, 101298824), (22, 73671872), (31, 52283264), (32, 50649412), (44, 36835936), (62, 26141632), (64, 25324706), (71, 22827904), (88, 18417968), (124, 13070816), (128, 12662353), (142, 11413952), (176, 9208984), (248, 6535408), (284, 5706976), (341, 4753024), (352, 4604492), (496, 3267704), (523, 3099008), (568, 2853488), (682, 2376512), (704, 2302246), (781, 2075264), (992, 1633852), (1046, 1549504), (1136, 1426744), (1364, 1188256), (1408, 1151123), (1562, 1037632), (1984, 816926), (2092, 774752), (2201, 736384), (2272, 713372), (2728, 594128), (3124, 518816), (3968, 408463), (4184, 387376), (4402, 368192), (4544, 356686), (5456, 297064), (5753, 281728), (6248, 259408), (8368, 193688), (8804, 184096), (9088, 178343), (10912, 148532), (11506, 140864), (12496, 129704), (16213, 99968), (16736, 96844), (17608, 92048), (21824, 74266), (23012, 70432), (24211, 66944), (24992, 64852), (32426, 49984), (33472, 48422), (35216, 46024), (37133, 43648)]