247637640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6389}}^1$

素因数の和:6439

約数の個数: 128

約数和(自身を含む): 828144000

約数和(自身を除く): 580506360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4845, 6389, 6460, 7752, 9690, 12778, 12920, 19167, 19380, 25556, 31945, 38334, 38760, 51112, 63890, 76668, 95835, 108613, 121391, 127780, 153336, 191670, 217226, 242782, 255560, 325839, 364173, 383340, 434452, 485564, 543065, 606955, 651678, 728346, 766680, 868904, 971128, 1086130, 1213910, 1303356, 1456692, 1629195, 1820865, 2063647, 2172260, 2427820, 2606712, 2913384, 3258390, 3641730, 4127294, 4344520, 4855640, 6190941, 6516780, 7283460, 8254588, 10318235, 12381882, 13033560, 14566920, 16509176, 20636470, 24763764, 30954705, 41272940, 49527528, 61909410, 82545880, 123818820, 247637640]

約数ペア:

[(1, 247637640), (2, 123818820), (3, 82545880), (4, 61909410), (5, 49527528), (6, 41272940), (8, 30954705), (10, 24763764), (12, 20636470), (15, 16509176), (17, 14566920), (19, 13033560), (20, 12381882), (24, 10318235), (30, 8254588), (34, 7283460), (38, 6516780), (40, 6190941), (51, 4855640), (57, 4344520), (60, 4127294), (68, 3641730), (76, 3258390), (85, 2913384), (95, 2606712), (102, 2427820), (114, 2172260), (120, 2063647), (136, 1820865), (152, 1629195), (170, 1456692), (190, 1303356), (204, 1213910), (228, 1086130), (255, 971128), (285, 868904), (323, 766680), (340, 728346), (380, 651678), (408, 606955), (456, 543065), (510, 485564), (570, 434452), (646, 383340), (680, 364173), (760, 325839), (969, 255560), (1020, 242782), (1140, 217226), (1292, 191670), (1615, 153336), (1938, 127780), (2040, 121391), (2280, 108613), (2584, 95835), (3230, 76668), (3876, 63890), (4845, 51112), (6389, 38760), (6460, 38334), (7752, 31945), (9690, 25556), (12778, 19380), (12920, 19167)]