90915840

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{1973}}^1$

素因数の和:2004

約数の個数: 132

約数和(自身を含む): 315180684

約数和(自身を除く): 224264844

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, 2304, 2560, 2880, 3072, 3840, 3946, 4608, 5120, 5760, 5919, 7680, 7892, 9216, 9865, 11520, 11838, 15360, 15784, 17757, 19730, 23040, 23676, 29595, 31568, 35514, 39460, 46080, 47352, 59190, 63136, 71028, 78920, 88785, 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, 4545792, 5050880, 5682240, 6061056, 7576320, 9091584, 10101760, 11364480, 15152640, 18183168, 22728960, 30305280, 45457920, 90915840]

約数ペア:

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