401974560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:340

約数の個数: 288

約数和(自身を含む): 1498376880

約数和(自身を除く): 1096402320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 109, 117, 120, 130, 144, 156, 160, 180, 195, 197, 208, 218, 234, 240, 260, 288, 312, 327, 360, 390, 394, 416, 436, 468, 480, 520, 545, 585, 591, 624, 654, 720, 780, 788, 872, 936, 981, 985, 1040, 1090, 1170, 1182, 1248, 1308, 1417, 1440, 1560, 1576, 1635, 1744, 1773, 1872, 1962, 1970, 2080, 2180, 2340, 2364, 2561, 2616, 2834, 2955, 3120, 3152, 3270, 3488, 3546, 3744, 3924, 3940, 4251, 4360, 4680, 4728, 4905, 5122, 5232, 5668, 5910, 6240, 6304, 6540, 7085, 7092, 7683, 7848, 7880, 8502, 8720, 8865, 9360, 9456, 9810, 10244, 10464, 11336, 11820, 12753, 12805, 13080, 14170, 14184, 15366, 15696, 15760, 17004, 17440, 17730, 18720, 18912, 19620, 20488, 21255, 21473, 22672, 23049, 23640, 25506, 25610, 26160, 28340, 28368, 30732, 31392, 31520, 34008, 35460, 38415, 39240, 40976, 42510, 42946, 45344, 46098, 47280, 51012, 51220, 52320, 56680, 56736, 61464, 63765, 64419, 68016, 70920, 76830, 78480, 81952, 85020, 85892, 92196, 94560, 102024, 102440, 107365, 113360, 115245, 122928, 127530, 128838, 136032, 141840, 153660, 156960, 170040, 171784, 184392, 193257, 204048, 204880, 214730, 226720, 230490, 245856, 255060, 257676, 279149, 283680, 307320, 322095, 340080, 343568, 368784, 386514, 408096, 409760, 429460, 460980, 510120, 515352, 558298, 614640, 644190, 680160, 687136, 737568, 773028, 837447, 858920, 921960, 966285, 1020240, 1030704, 1116596, 1229280, 1288380, 1395745, 1546056, 1674894, 1717840, 1843920, 1932570, 2040480, 2061408, 2233192, 2512341, 2576760, 2791490, 3092112, 3349788, 3435680, 3687840, 3865140, 4187235, 4466384, 5024682, 5153520, 5582980, 6184224, 6699576, 7730280, 8374470, 8932768, 10049364, 10307040, 11165960, 12561705, 13399152, 15460560, 16748940, 20098728, 22331920, 25123410, 26798304, 30921120, 33497880, 40197456, 44663840, 50246820, 66995760, 80394912, 100493640, 133991520, 200987280, 401974560]

約数ペア:

[(1, 401974560), (2, 200987280), (3, 133991520), (4, 100493640), (5, 80394912), (6, 66995760), (8, 50246820), (9, 44663840), (10, 40197456), (12, 33497880), (13, 30921120), (15, 26798304), (16, 25123410), (18, 22331920), (20, 20098728), (24, 16748940), (26, 15460560), (30, 13399152), (32, 12561705), (36, 11165960), (39, 10307040), (40, 10049364), (45, 8932768), (48, 8374470), (52, 7730280), (60, 6699576), (65, 6184224), (72, 5582980), (78, 5153520), (80, 5024682), (90, 4466384), (96, 4187235), (104, 3865140), (109, 3687840), (117, 3435680), (120, 3349788), (130, 3092112), (144, 2791490), (156, 2576760), (160, 2512341), (180, 2233192), (195, 2061408), (197, 2040480), (208, 1932570), (218, 1843920), (234, 1717840), (240, 1674894), (260, 1546056), (288, 1395745), (312, 1288380), (327, 1229280), (360, 1116596), (390, 1030704), (394, 1020240), (416, 966285), (436, 921960), (468, 858920), (480, 837447), (520, 773028), (545, 737568), (585, 687136), (591, 680160), (624, 644190), (654, 614640), (720, 558298), (780, 515352), (788, 510120), (872, 460980), (936, 429460), (981, 409760), (985, 408096), (1040, 386514), (1090, 368784), (1170, 343568), (1182, 340080), (1248, 322095), (1308, 307320), (1417, 283680), (1440, 279149), (1560, 257676), (1576, 255060), (1635, 245856), (1744, 230490), (1773, 226720), (1872, 214730), (1962, 204880), (1970, 204048), (2080, 193257), (2180, 184392), (2340, 171784), (2364, 170040), (2561, 156960), (2616, 153660), (2834, 141840), (2955, 136032), (3120, 128838), (3152, 127530), (3270, 122928), (3488, 115245), (3546, 113360), (3744, 107365), (3924, 102440), (3940, 102024), (4251, 94560), (4360, 92196), (4680, 85892), (4728, 85020), (4905, 81952), (5122, 78480), (5232, 76830), (5668, 70920), (5910, 68016), (6240, 64419), (6304, 63765), (6540, 61464), (7085, 56736), (7092, 56680), (7683, 52320), (7848, 51220), (7880, 51012), (8502, 47280), (8720, 46098), (8865, 45344), (9360, 42946), (9456, 42510), (9810, 40976), (10244, 39240), (10464, 38415), (11336, 35460), (11820, 34008), (12753, 31520), (12805, 31392), (13080, 30732), (14170, 28368), (14184, 28340), (15366, 26160), (15696, 25610), (15760, 25506), (17004, 23640), (17440, 23049), (17730, 22672), (18720, 21473), (18912, 21255), (19620, 20488)]