71642880

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{691}}^1$

素因数の和:724

約数の個数: 180

約数和(自身を含む): 256722312

約数和(自身を除く): 185079432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 691, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1382, 1440, 1620, 1728, 1920, 2073, 2160, 2304, 2592, 2764, 2880, 3240, 3455, 3456, 3840, 4146, 4320, 5184, 5528, 5760, 6219, 6480, 6910, 6912, 8292, 8640, 10365, 10368, 11056, 11520, 12438, 12960, 13820, 16584, 17280, 18657, 20730, 20736, 22112, 24876, 25920, 27640, 31095, 33168, 34560, 37314, 41460, 44224, 49752, 51840, 55280, 55971, 62190, 66336, 74628, 82920, 88448, 93285, 99504, 103680, 110560, 111942, 124380, 132672, 149256, 165840, 176896, 186570, 199008, 221120, 223884, 248760, 265344, 279855, 298512, 331680, 373140, 398016, 442240, 447768, 497520, 530688, 559710, 597024, 663360, 746280, 796032, 884480, 895536, 995040, 1119420, 1194048, 1326720, 1492560, 1592064, 1791072, 1990080, 2238840, 2388096, 2653440, 2985120, 3582144, 3980160, 4477680, 4776192, 5970240, 7164288, 7960320, 8955360, 11940480, 14328576, 17910720, 23880960, 35821440, 71642880]

約数ペア:

[(1, 71642880), (2, 35821440), (3, 23880960), (4, 17910720), (5, 14328576), (6, 11940480), (8, 8955360), (9, 7960320), (10, 7164288), (12, 5970240), (15, 4776192), (16, 4477680), (18, 3980160), (20, 3582144), (24, 2985120), (27, 2653440), (30, 2388096), (32, 2238840), (36, 1990080), (40, 1791072), (45, 1592064), (48, 1492560), (54, 1326720), (60, 1194048), (64, 1119420), (72, 995040), (80, 895536), (81, 884480), (90, 796032), (96, 746280), (108, 663360), (120, 597024), (128, 559710), (135, 530688), (144, 497520), (160, 447768), (162, 442240), (180, 398016), (192, 373140), (216, 331680), (240, 298512), (256, 279855), (270, 265344), (288, 248760), (320, 223884), (324, 221120), (360, 199008), (384, 186570), (405, 176896), (432, 165840), (480, 149256), (540, 132672), (576, 124380), (640, 111942), (648, 110560), (691, 103680), (720, 99504), (768, 93285), (810, 88448), (864, 82920), (960, 74628), (1080, 66336), (1152, 62190), (1280, 55971), (1296, 55280), (1382, 51840), (1440, 49752), (1620, 44224), (1728, 41460), (1920, 37314), (2073, 34560), (2160, 33168), (2304, 31095), (2592, 27640), (2764, 25920), (2880, 24876), (3240, 22112), (3455, 20736), (3456, 20730), (3840, 18657), (4146, 17280), (4320, 16584), (5184, 13820), (5528, 12960), (5760, 12438), (6219, 11520), (6480, 11056), (6910, 10368), (6912, 10365), (8292, 8640)]