220122720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2153}}^1$

素因数の和:2245

約数の個数: 144

約数和(自身を含む): 762102432

約数和(自身を除く): 541979712

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, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1440, 1704, 2130, 2153, 2272, 2556, 2840, 3195, 3408, 4260, 4306, 5112, 5680, 6390, 6459, 6816, 8520, 8612, 10224, 10765, 11360, 12780, 12918, 17040, 17224, 19377, 20448, 21530, 25560, 25836, 32295, 34080, 34448, 38754, 43060, 51120, 51672, 64590, 68896, 77508, 86120, 96885, 102240, 103344, 129180, 152863, 155016, 172240, 193770, 206688, 258360, 305726, 310032, 344480, 387540, 458589, 516720, 611452, 620064, 764315, 775080, 917178, 1033440, 1222904, 1375767, 1528630, 1550160, 1834356, 2292945, 2445808, 2751534, 3057260, 3100320, 3668712, 4585890, 4891616, 5503068, 6114520, 6878835, 7337424, 9171780, 11006136, 12229040, 13757670, 14674848, 18343560, 22012272, 24458080, 27515340, 36687120, 44024544, 55030680, 73374240, 110061360, 220122720]

約数ペア:

[(1, 220122720), (2, 110061360), (3, 73374240), (4, 55030680), (5, 44024544), (6, 36687120), (8, 27515340), (9, 24458080), (10, 22012272), (12, 18343560), (15, 14674848), (16, 13757670), (18, 12229040), (20, 11006136), (24, 9171780), (30, 7337424), (32, 6878835), (36, 6114520), (40, 5503068), (45, 4891616), (48, 4585890), (60, 3668712), (71, 3100320), (72, 3057260), (80, 2751534), (90, 2445808), (96, 2292945), (120, 1834356), (142, 1550160), (144, 1528630), (160, 1375767), (180, 1222904), (213, 1033440), (240, 917178), (284, 775080), (288, 764315), (355, 620064), (360, 611452), (426, 516720), (480, 458589), (568, 387540), (639, 344480), (710, 310032), (720, 305726), (852, 258360), (1065, 206688), (1136, 193770), (1278, 172240), (1420, 155016), (1440, 152863), (1704, 129180), (2130, 103344), (2153, 102240), (2272, 96885), (2556, 86120), (2840, 77508), (3195, 68896), (3408, 64590), (4260, 51672), (4306, 51120), (5112, 43060), (5680, 38754), (6390, 34448), (6459, 34080), (6816, 32295), (8520, 25836), (8612, 25560), (10224, 21530), (10765, 20448), (11360, 19377), (12780, 17224), (12918, 17040)]