38727990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 122019840

約数和(自身を除く): 83291850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 661, 837, 930, 945, 1085, 1302, 1322, 1395, 1674, 1890, 1953, 1983, 2170, 2790, 3255, 3305, 3906, 3966, 4185, 4627, 5859, 5949, 6510, 6610, 8370, 9254, 9765, 9915, 11718, 11898, 13881, 17847, 19530, 19830, 20491, 23135, 27762, 29295, 29745, 35694, 40982, 41643, 46270, 58590, 59490, 61473, 69405, 83286, 89235, 102455, 122946, 124929, 138810, 143437, 178470, 184419, 204910, 208215, 249858, 286874, 307365, 368838, 416430, 430311, 553257, 614730, 624645, 717185, 860622, 922095, 1106514, 1249290, 1290933, 1434370, 1844190, 2151555, 2581866, 2766285, 3872799, 4303110, 5532570, 6454665, 7745598, 12909330, 19363995, 38727990]

約数ペア:

[(1, 38727990), (2, 19363995), (3, 12909330), (5, 7745598), (6, 6454665), (7, 5532570), (9, 4303110), (10, 3872799), (14, 2766285), (15, 2581866), (18, 2151555), (21, 1844190), (27, 1434370), (30, 1290933), (31, 1249290), (35, 1106514), (42, 922095), (45, 860622), (54, 717185), (62, 624645), (63, 614730), (70, 553257), (90, 430311), (93, 416430), (105, 368838), (126, 307365), (135, 286874), (155, 249858), (186, 208215), (189, 204910), (210, 184419), (217, 178470), (270, 143437), (279, 138810), (310, 124929), (315, 122946), (378, 102455), (434, 89235), (465, 83286), (558, 69405), (630, 61473), (651, 59490), (661, 58590), (837, 46270), (930, 41643), (945, 40982), (1085, 35694), (1302, 29745), (1322, 29295), (1395, 27762), (1674, 23135), (1890, 20491), (1953, 19830), (1983, 19530), (2170, 17847), (2790, 13881), (3255, 11898), (3305, 11718), (3906, 9915), (3966, 9765), (4185, 9254), (4627, 8370), (5859, 6610), (5949, 6510)]