31422720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{167}}^1$

素因数の和:205

約数の個数: 216

約数和(自身を含む): 117440064

約数和(自身を除く): 86017344

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 167, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 334, 336, 384, 392, 420, 448, 480, 490, 501, 560, 588, 640, 668, 672, 735, 768, 784, 835, 840, 896, 960, 980, 1002, 1120, 1169, 1176, 1280, 1336, 1344, 1470, 1568, 1670, 1680, 1792, 1920, 1960, 2004, 2240, 2338, 2352, 2505, 2672, 2688, 2940, 3136, 3340, 3360, 3507, 3840, 3920, 4008, 4480, 4676, 4704, 5010, 5344, 5376, 5845, 5880, 6272, 6680, 6720, 7014, 7840, 8016, 8183, 8960, 9352, 9408, 10020, 10688, 11690, 11760, 12544, 13360, 13440, 14028, 15680, 16032, 16366, 17535, 18704, 18816, 20040, 21376, 23380, 23520, 24549, 26720, 26880, 28056, 31360, 32064, 32732, 35070, 37408, 37632, 40080, 40915, 42752, 46760, 47040, 49098, 53440, 56112, 62720, 64128, 65464, 70140, 74816, 80160, 81830, 93520, 94080, 98196, 106880, 112224, 122745, 128256, 130928, 140280, 149632, 160320, 163660, 187040, 188160, 196392, 213760, 224448, 245490, 261856, 280560, 299264, 320640, 327320, 374080, 392784, 448896, 490980, 523712, 561120, 641280, 654640, 748160, 785568, 897792, 981960, 1047424, 1122240, 1309280, 1496320, 1571136, 1963920, 2094848, 2244480, 2618560, 3142272, 3927840, 4488960, 5237120, 6284544, 7855680, 10474240, 15711360, 31422720]

約数ペア:

[(1, 31422720), (2, 15711360), (3, 10474240), (4, 7855680), (5, 6284544), (6, 5237120), (7, 4488960), (8, 3927840), (10, 3142272), (12, 2618560), (14, 2244480), (15, 2094848), (16, 1963920), (20, 1571136), (21, 1496320), (24, 1309280), (28, 1122240), (30, 1047424), (32, 981960), (35, 897792), (40, 785568), (42, 748160), (48, 654640), (49, 641280), (56, 561120), (60, 523712), (64, 490980), (70, 448896), (80, 392784), (84, 374080), (96, 327320), (98, 320640), (105, 299264), (112, 280560), (120, 261856), (128, 245490), (140, 224448), (147, 213760), (160, 196392), (167, 188160), (168, 187040), (192, 163660), (196, 160320), (210, 149632), (224, 140280), (240, 130928), (245, 128256), (256, 122745), (280, 112224), (294, 106880), (320, 98196), (334, 94080), (336, 93520), (384, 81830), (392, 80160), (420, 74816), (448, 70140), (480, 65464), (490, 64128), (501, 62720), (560, 56112), (588, 53440), (640, 49098), (668, 47040), (672, 46760), (735, 42752), (768, 40915), (784, 40080), (835, 37632), (840, 37408), (896, 35070), (960, 32732), (980, 32064), (1002, 31360), (1120, 28056), (1169, 26880), (1176, 26720), (1280, 24549), (1336, 23520), (1344, 23380), (1470, 21376), (1568, 20040), (1670, 18816), (1680, 18704), (1792, 17535), (1920, 16366), (1960, 16032), (2004, 15680), (2240, 14028), (2338, 13440), (2352, 13360), (2505, 12544), (2672, 11760), (2688, 11690), (2940, 10688), (3136, 10020), (3340, 9408), (3360, 9352), (3507, 8960), (3840, 8183), (3920, 8016), (4008, 7840), (4480, 7014), (4676, 6720), (4704, 6680), (5010, 6272), (5344, 5880), (5376, 5845)]