20181914880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{228509}}^1$

素因数の和:228556

約数の個数: 144

約数和(自身を含む): 67258719360

約数和(自身を除く): 47076804480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 920, 960, 1104, 1280, 1380, 1472, 1840, 1920, 2208, 2760, 2944, 3680, 3840, 4416, 5520, 5888, 7360, 8832, 11040, 14720, 17664, 22080, 29440, 44160, 88320, 228509, 457018, 685527, 914036, 1142545, 1371054, 1828072, 2285090, 2742108, 3427635, 3656144, 4570180, 5255707, 5484216, 6855270, 7312288, 9140360, 10511414, 10968432, 13710540, 14624576, 15767121, 18280720, 21022828, 21936864, 26278535, 27421080, 29249152, 31534242, 36561440, 42045656, 43873728, 52557070, 54842160, 58498304, 63068484, 73122880, 78835605, 84091312, 87747456, 105114140, 109684320, 126136968, 146245760, 157671210, 168182624, 175494912, 210228280, 219368640, 252273936, 292491520, 315342420, 336365248, 420456560, 438737280, 504547872, 630684840, 672730496, 840913120, 877474560, 1009095744, 1261369680, 1345460992, 1681826240, 2018191488, 2522739360, 3363652480, 4036382976, 5045478720, 6727304960, 10090957440, 20181914880]

約数ペア:

[(1, 20181914880), (2, 10090957440), (3, 6727304960), (4, 5045478720), (5, 4036382976), (6, 3363652480), (8, 2522739360), (10, 2018191488), (12, 1681826240), (15, 1345460992), (16, 1261369680), (20, 1009095744), (23, 877474560), (24, 840913120), (30, 672730496), (32, 630684840), (40, 504547872), (46, 438737280), (48, 420456560), (60, 336365248), (64, 315342420), (69, 292491520), (80, 252273936), (92, 219368640), (96, 210228280), (115, 175494912), (120, 168182624), (128, 157671210), (138, 146245760), (160, 126136968), (184, 109684320), (192, 105114140), (230, 87747456), (240, 84091312), (256, 78835605), (276, 73122880), (320, 63068484), (345, 58498304), (368, 54842160), (384, 52557070), (460, 43873728), (480, 42045656), (552, 36561440), (640, 31534242), (690, 29249152), (736, 27421080), (768, 26278535), (920, 21936864), (960, 21022828), (1104, 18280720), (1280, 15767121), (1380, 14624576), (1472, 13710540), (1840, 10968432), (1920, 10511414), (2208, 9140360), (2760, 7312288), (2944, 6855270), (3680, 5484216), (3840, 5255707), (4416, 4570180), (5520, 3656144), (5888, 3427635), (7360, 2742108), (8832, 2285090), (11040, 1828072), (14720, 1371054), (17664, 1142545), (22080, 914036), (29440, 685527), (44160, 457018), (88320, 228509)]