181831680

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{1973}}^1$

素因数の和:2006

約数の個数: 144

約数和(自身を含む): 630515340

約数和(自身を除く): 448683660

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, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 1973, 2048, 2304, 2560, 2880, 3072, 3840, 3946, 4608, 5120, 5760, 5919, 6144, 7680, 7892, 9216, 9865, 10240, 11520, 11838, 15360, 15784, 17757, 18432, 19730, 23040, 23676, 29595, 30720, 31568, 35514, 39460, 46080, 47352, 59190, 63136, 71028, 78920, 88785, 92160, 94704, 118380, 126272, 142056, 157840, 177570, 189408, 236760, 252544, 284112, 315680, 355140, 378816, 473520, 505088, 568224, 631360, 710280, 757632, 947040, 1010176, 1136448, 1262720, 1420560, 1515264, 1894080, 2020352, 2272896, 2525440, 2841120, 3030528, 3788160, 4040704, 4545792, 5050880, 5682240, 6061056, 7576320, 9091584, 10101760, 11364480, 12122112, 15152640, 18183168, 20203520, 22728960, 30305280, 36366336, 45457920, 60610560, 90915840, 181831680]

約数ペア:

[(1, 181831680), (2, 90915840), (3, 60610560), (4, 45457920), (5, 36366336), (6, 30305280), (8, 22728960), (9, 20203520), (10, 18183168), (12, 15152640), (15, 12122112), (16, 11364480), (18, 10101760), (20, 9091584), (24, 7576320), (30, 6061056), (32, 5682240), (36, 5050880), (40, 4545792), (45, 4040704), (48, 3788160), (60, 3030528), (64, 2841120), (72, 2525440), (80, 2272896), (90, 2020352), (96, 1894080), (120, 1515264), (128, 1420560), (144, 1262720), (160, 1136448), (180, 1010176), (192, 947040), (240, 757632), (256, 710280), (288, 631360), (320, 568224), (360, 505088), (384, 473520), (480, 378816), (512, 355140), (576, 315680), (640, 284112), (720, 252544), (768, 236760), (960, 189408), (1024, 177570), (1152, 157840), (1280, 142056), (1440, 126272), (1536, 118380), (1920, 94704), (1973, 92160), (2048, 88785), (2304, 78920), (2560, 71028), (2880, 63136), (3072, 59190), (3840, 47352), (3946, 46080), (4608, 39460), (5120, 35514), (5760, 31568), (5919, 30720), (6144, 29595), (7680, 23676), (7892, 23040), (9216, 19730), (9865, 18432), (10240, 17757), (11520, 15784), (11838, 15360)]