397764720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 240

約数和(自身を含む): 1403910144

約数和(自身を除く): 1006145424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 71, 72, 80, 90, 93, 120, 124, 142, 144, 155, 180, 186, 213, 240, 248, 251, 279, 284, 310, 355, 360, 372, 426, 465, 496, 502, 558, 568, 620, 639, 710, 720, 744, 753, 852, 930, 1004, 1065, 1116, 1136, 1240, 1255, 1278, 1395, 1420, 1488, 1506, 1704, 1860, 2008, 2130, 2201, 2232, 2259, 2480, 2510, 2556, 2790, 2840, 3012, 3195, 3408, 3720, 3765, 4016, 4260, 4402, 4464, 4518, 5020, 5112, 5580, 5680, 6024, 6390, 6603, 7440, 7530, 7781, 8520, 8804, 9036, 10040, 10224, 11005, 11160, 11295, 12048, 12780, 13206, 15060, 15562, 17040, 17608, 17821, 18072, 19809, 20080, 22010, 22320, 22590, 23343, 25560, 26412, 30120, 31124, 33015, 35216, 35642, 36144, 38905, 39618, 44020, 45180, 46686, 51120, 52824, 53463, 60240, 62248, 66030, 70029, 71284, 77810, 79236, 88040, 89105, 90360, 93372, 99045, 105648, 106926, 116715, 124496, 132060, 140058, 142568, 155620, 158472, 160389, 176080, 178210, 180720, 186744, 198090, 213852, 233430, 264120, 267315, 280116, 285136, 311240, 316944, 320778, 350145, 356420, 373488, 396180, 427704, 466860, 528240, 534630, 552451, 560232, 622480, 641556, 700290, 712840, 792360, 801945, 855408, 933720, 1069260, 1104902, 1120464, 1283112, 1400580, 1425680, 1584720, 1603890, 1657353, 1867440, 2138520, 2209804, 2566224, 2762255, 2801160, 3207780, 3314706, 4277040, 4419608, 4972059, 5524510, 5602320, 6415560, 6629412, 8286765, 8839216, 9944118, 11049020, 12831120, 13258824, 16573530, 19888236, 22098040, 24860295, 26517648, 33147060, 39776472, 44196080, 49720590, 66294120, 79552944, 99441180, 132588240, 198882360, 397764720]

約数ペア:

[(1, 397764720), (2, 198882360), (3, 132588240), (4, 99441180), (5, 79552944), (6, 66294120), (8, 49720590), (9, 44196080), (10, 39776472), (12, 33147060), (15, 26517648), (16, 24860295), (18, 22098040), (20, 19888236), (24, 16573530), (30, 13258824), (31, 12831120), (36, 11049020), (40, 9944118), (45, 8839216), (48, 8286765), (60, 6629412), (62, 6415560), (71, 5602320), (72, 5524510), (80, 4972059), (90, 4419608), (93, 4277040), (120, 3314706), (124, 3207780), (142, 2801160), (144, 2762255), (155, 2566224), (180, 2209804), (186, 2138520), (213, 1867440), (240, 1657353), (248, 1603890), (251, 1584720), (279, 1425680), (284, 1400580), (310, 1283112), (355, 1120464), (360, 1104902), (372, 1069260), (426, 933720), (465, 855408), (496, 801945), (502, 792360), (558, 712840), (568, 700290), (620, 641556), (639, 622480), (710, 560232), (720, 552451), (744, 534630), (753, 528240), (852, 466860), (930, 427704), (1004, 396180), (1065, 373488), (1116, 356420), (1136, 350145), (1240, 320778), (1255, 316944), (1278, 311240), (1395, 285136), (1420, 280116), (1488, 267315), (1506, 264120), (1704, 233430), (1860, 213852), (2008, 198090), (2130, 186744), (2201, 180720), (2232, 178210), (2259, 176080), (2480, 160389), (2510, 158472), (2556, 155620), (2790, 142568), (2840, 140058), (3012, 132060), (3195, 124496), (3408, 116715), (3720, 106926), (3765, 105648), (4016, 99045), (4260, 93372), (4402, 90360), (4464, 89105), (4518, 88040), (5020, 79236), (5112, 77810), (5580, 71284), (5680, 70029), (6024, 66030), (6390, 62248), (6603, 60240), (7440, 53463), (7530, 52824), (7781, 51120), (8520, 46686), (8804, 45180), (9036, 44020), (10040, 39618), (10224, 38905), (11005, 36144), (11160, 35642), (11295, 35216), (12048, 33015), (12780, 31124), (13206, 30120), (15060, 26412), (15562, 25560), (17040, 23343), (17608, 22590), (17821, 22320), (18072, 22010), (19809, 20080)]