20009473920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43973}}^1$

素因数の和:44077

約数の個数: 192

約数和(自身を含む): 69971428800

約数和(自身を除く): 49961954880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 128, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 360, 384, 395, 474, 480, 576, 632, 640, 711, 720, 790, 948, 960, 1152, 1185, 1264, 1422, 1440, 1580, 1896, 1920, 2370, 2528, 2844, 2880, 3160, 3555, 3792, 4740, 5056, 5688, 5760, 6320, 7110, 7584, 9480, 10112, 11376, 12640, 14220, 15168, 18960, 22752, 25280, 28440, 30336, 37920, 43973, 45504, 50560, 56880, 75840, 87946, 91008, 113760, 131919, 151680, 175892, 219865, 227520, 263838, 351784, 395757, 439730, 455040, 527676, 659595, 703568, 791514, 879460, 1055352, 1319190, 1407136, 1583028, 1758920, 1978785, 2110704, 2638380, 2814272, 3166056, 3473867, 3517840, 3957570, 4221408, 5276760, 5628544, 6332112, 6947734, 7035680, 7915140, 8442816, 10421601, 10553520, 12664224, 13895468, 14071360, 15830280, 16885632, 17369335, 20843202, 21107040, 25328448, 27790936, 28142720, 31264803, 31660560, 34738670, 41686404, 42214080, 50656896, 52108005, 55581872, 62529606, 63321120, 69477340, 83372808, 84428160, 104216010, 111163744, 125059212, 126642240, 138954680, 156324015, 166745616, 208432020, 222327488, 250118424, 253284480, 277909360, 312648030, 333491232, 416864040, 444654976, 500236848, 555818720, 625296060, 666982464, 833728080, 1000473696, 1111637440, 1250592120, 1333964928, 1667456160, 2000947392, 2223274880, 2501184240, 3334912320, 4001894784, 5002368480, 6669824640, 10004736960, 20009473920]

約数ペア:

[(1, 20009473920), (2, 10004736960), (3, 6669824640), (4, 5002368480), (5, 4001894784), (6, 3334912320), (8, 2501184240), (9, 2223274880), (10, 2000947392), (12, 1667456160), (15, 1333964928), (16, 1250592120), (18, 1111637440), (20, 1000473696), (24, 833728080), (30, 666982464), (32, 625296060), (36, 555818720), (40, 500236848), (45, 444654976), (48, 416864040), (60, 333491232), (64, 312648030), (72, 277909360), (79, 253284480), (80, 250118424), (90, 222327488), (96, 208432020), (120, 166745616), (128, 156324015), (144, 138954680), (158, 126642240), (160, 125059212), (180, 111163744), (192, 104216010), (237, 84428160), (240, 83372808), (288, 69477340), (316, 63321120), (320, 62529606), (360, 55581872), (384, 52108005), (395, 50656896), (474, 42214080), (480, 41686404), (576, 34738670), (632, 31660560), (640, 31264803), (711, 28142720), (720, 27790936), (790, 25328448), (948, 21107040), (960, 20843202), (1152, 17369335), (1185, 16885632), (1264, 15830280), (1422, 14071360), (1440, 13895468), (1580, 12664224), (1896, 10553520), (1920, 10421601), (2370, 8442816), (2528, 7915140), (2844, 7035680), (2880, 6947734), (3160, 6332112), (3555, 5628544), (3792, 5276760), (4740, 4221408), (5056, 3957570), (5688, 3517840), (5760, 3473867), (6320, 3166056), (7110, 2814272), (7584, 2638380), (9480, 2110704), (10112, 1978785), (11376, 1758920), (12640, 1583028), (14220, 1407136), (15168, 1319190), (18960, 1055352), (22752, 879460), (25280, 791514), (28440, 703568), (30336, 659595), (37920, 527676), (43973, 455040), (45504, 439730), (50560, 395757), (56880, 351784), (75840, 263838), (87946, 227520), (91008, 219865), (113760, 175892), (131919, 151680)]