80531280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1666

約数の個数: 160

約数和(自身を含む): 289624320

約数和(自身を除く): 209093040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 621, 690, 720, 828, 920, 1035, 1080, 1104, 1242, 1380, 1621, 1656, 1840, 2070, 2160, 2484, 2760, 3105, 3242, 3312, 4140, 4863, 4968, 5520, 6210, 6484, 8105, 8280, 9726, 9936, 12420, 12968, 14589, 16210, 16560, 19452, 24315, 24840, 25936, 29178, 32420, 37283, 38904, 43767, 48630, 49680, 58356, 64840, 72945, 74566, 77808, 87534, 97260, 111849, 116712, 129680, 145890, 149132, 175068, 186415, 194520, 218835, 223698, 233424, 291780, 298264, 335547, 350136, 372830, 389040, 437670, 447396, 559245, 583560, 596528, 671094, 700272, 745660, 875340, 894792, 1006641, 1118490, 1167120, 1342188, 1491320, 1677735, 1750680, 1789584, 2013282, 2236980, 2684376, 2982640, 3355470, 3501360, 4026564, 4473960, 5033205, 5368752, 6710940, 8053128, 8947920, 10066410, 13421880, 16106256, 20132820, 26843760, 40265640, 80531280]

約数ペア:

[(1, 80531280), (2, 40265640), (3, 26843760), (4, 20132820), (5, 16106256), (6, 13421880), (8, 10066410), (9, 8947920), (10, 8053128), (12, 6710940), (15, 5368752), (16, 5033205), (18, 4473960), (20, 4026564), (23, 3501360), (24, 3355470), (27, 2982640), (30, 2684376), (36, 2236980), (40, 2013282), (45, 1789584), (46, 1750680), (48, 1677735), (54, 1491320), (60, 1342188), (69, 1167120), (72, 1118490), (80, 1006641), (90, 894792), (92, 875340), (108, 745660), (115, 700272), (120, 671094), (135, 596528), (138, 583560), (144, 559245), (180, 447396), (184, 437670), (207, 389040), (216, 372830), (230, 350136), (240, 335547), (270, 298264), (276, 291780), (345, 233424), (360, 223698), (368, 218835), (414, 194520), (432, 186415), (460, 175068), (540, 149132), (552, 145890), (621, 129680), (690, 116712), (720, 111849), (828, 97260), (920, 87534), (1035, 77808), (1080, 74566), (1104, 72945), (1242, 64840), (1380, 58356), (1621, 49680), (1656, 48630), (1840, 43767), (2070, 38904), (2160, 37283), (2484, 32420), (2760, 29178), (3105, 25936), (3242, 24840), (3312, 24315), (4140, 19452), (4863, 16560), (4968, 16210), (5520, 14589), (6210, 12968), (6484, 12420), (8105, 9936), (8280, 9726)]