31841280

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{691}}^1$

素因数の和:722

約数の個数: 132

約数和(自身を含む): 110488872

約数和(自身を除く): 78647592

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, 691, 720, 768, 960, 1024, 1152, 1280, 1382, 1440, 1536, 1920, 2073, 2304, 2560, 2764, 2880, 3072, 3455, 3840, 4146, 4608, 5120, 5528, 5760, 6219, 6910, 7680, 8292, 9216, 10365, 11056, 11520, 12438, 13820, 15360, 16584, 20730, 22112, 23040, 24876, 27640, 31095, 33168, 41460, 44224, 46080, 49752, 55280, 62190, 66336, 82920, 88448, 99504, 110560, 124380, 132672, 165840, 176896, 199008, 221120, 248760, 265344, 331680, 353792, 398016, 442240, 497520, 530688, 663360, 707584, 796032, 884480, 995040, 1061376, 1326720, 1592064, 1768960, 1990080, 2122752, 2653440, 3184128, 3537920, 3980160, 5306880, 6368256, 7960320, 10613760, 15920640, 31841280]

約数ペア:

[(1, 31841280), (2, 15920640), (3, 10613760), (4, 7960320), (5, 6368256), (6, 5306880), (8, 3980160), (9, 3537920), (10, 3184128), (12, 2653440), (15, 2122752), (16, 1990080), (18, 1768960), (20, 1592064), (24, 1326720), (30, 1061376), (32, 995040), (36, 884480), (40, 796032), (45, 707584), (48, 663360), (60, 530688), (64, 497520), (72, 442240), (80, 398016), (90, 353792), (96, 331680), (120, 265344), (128, 248760), (144, 221120), (160, 199008), (180, 176896), (192, 165840), (240, 132672), (256, 124380), (288, 110560), (320, 99504), (360, 88448), (384, 82920), (480, 66336), (512, 62190), (576, 55280), (640, 49752), (691, 46080), (720, 44224), (768, 41460), (960, 33168), (1024, 31095), (1152, 27640), (1280, 24876), (1382, 23040), (1440, 22112), (1536, 20730), (1920, 16584), (2073, 15360), (2304, 13820), (2560, 12438), (2764, 11520), (2880, 11056), (3072, 10365), (3455, 9216), (3840, 8292), (4146, 7680), (4608, 6910), (5120, 6219), (5528, 5760)]