31745280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{1181}}^1$

素因数の和:1212

約数の個数: 144

約数和(自身を含む): 115968384

約数和(自身を除く): 84223104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1181, 1280, 1344, 1680, 1792, 1920, 2240, 2362, 2688, 3360, 3543, 3840, 4480, 4724, 5376, 5905, 6720, 7086, 8267, 8960, 9448, 11810, 13440, 14172, 16534, 17715, 18896, 23620, 24801, 26880, 28344, 33068, 35430, 37792, 41335, 47240, 49602, 56688, 66136, 70860, 75584, 82670, 94480, 99204, 113376, 124005, 132272, 141720, 151168, 165340, 188960, 198408, 226752, 248010, 264544, 283440, 302336, 330680, 377920, 396816, 453504, 496020, 529088, 566880, 661360, 755840, 793632, 907008, 992040, 1058176, 1133760, 1322720, 1511680, 1587264, 1984080, 2116352, 2267520, 2645440, 3174528, 3968160, 4535040, 5290880, 6349056, 7936320, 10581760, 15872640, 31745280]

約数ペア:

[(1, 31745280), (2, 15872640), (3, 10581760), (4, 7936320), (5, 6349056), (6, 5290880), (7, 4535040), (8, 3968160), (10, 3174528), (12, 2645440), (14, 2267520), (15, 2116352), (16, 1984080), (20, 1587264), (21, 1511680), (24, 1322720), (28, 1133760), (30, 1058176), (32, 992040), (35, 907008), (40, 793632), (42, 755840), (48, 661360), (56, 566880), (60, 529088), (64, 496020), (70, 453504), (80, 396816), (84, 377920), (96, 330680), (105, 302336), (112, 283440), (120, 264544), (128, 248010), (140, 226752), (160, 198408), (168, 188960), (192, 165340), (210, 151168), (224, 141720), (240, 132272), (256, 124005), (280, 113376), (320, 99204), (336, 94480), (384, 82670), (420, 75584), (448, 70860), (480, 66136), (560, 56688), (640, 49602), (672, 47240), (768, 41335), (840, 37792), (896, 35430), (960, 33068), (1120, 28344), (1181, 26880), (1280, 24801), (1344, 23620), (1680, 18896), (1792, 17715), (1920, 16534), (2240, 14172), (2362, 13440), (2688, 11810), (3360, 9448), (3543, 8960), (3840, 8267), (4480, 7086), (4724, 6720), (5376, 5905)]