31691240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 192

約数和(自身を含む): 93571200

約数和(自身を除く): 61879960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 37, 38, 40, 46, 49, 56, 70, 74, 76, 92, 95, 98, 115, 133, 140, 148, 152, 161, 184, 185, 190, 196, 230, 245, 259, 266, 280, 296, 322, 370, 380, 392, 437, 460, 490, 518, 532, 644, 665, 703, 740, 760, 805, 851, 874, 920, 931, 980, 1036, 1064, 1127, 1288, 1295, 1330, 1406, 1480, 1610, 1702, 1748, 1813, 1862, 1960, 2072, 2185, 2254, 2590, 2660, 2812, 3059, 3220, 3404, 3496, 3515, 3626, 3724, 4255, 4370, 4508, 4655, 4921, 5180, 5320, 5624, 5635, 5957, 6118, 6440, 6808, 7030, 7252, 7448, 8510, 8740, 9016, 9065, 9310, 9842, 10360, 11270, 11914, 12236, 14060, 14504, 15295, 16169, 17020, 17480, 18130, 18620, 19684, 21413, 22540, 23828, 24472, 24605, 28120, 29785, 30590, 32338, 34040, 34447, 36260, 37240, 39368, 41699, 42826, 45080, 47656, 49210, 59570, 61180, 64676, 68894, 72520, 80845, 83398, 85652, 98420, 107065, 113183, 119140, 122360, 129352, 137788, 161690, 166796, 171304, 172235, 196840, 208495, 214130, 226366, 238280, 275576, 323380, 333592, 344470, 416990, 428260, 452732, 565915, 646760, 688940, 792281, 833980, 856520, 905464, 1131830, 1377880, 1584562, 1667960, 2263660, 3169124, 3961405, 4527320, 6338248, 7922810, 15845620, 31691240]

約数ペア:

[(1, 31691240), (2, 15845620), (4, 7922810), (5, 6338248), (7, 4527320), (8, 3961405), (10, 3169124), (14, 2263660), (19, 1667960), (20, 1584562), (23, 1377880), (28, 1131830), (35, 905464), (37, 856520), (38, 833980), (40, 792281), (46, 688940), (49, 646760), (56, 565915), (70, 452732), (74, 428260), (76, 416990), (92, 344470), (95, 333592), (98, 323380), (115, 275576), (133, 238280), (140, 226366), (148, 214130), (152, 208495), (161, 196840), (184, 172235), (185, 171304), (190, 166796), (196, 161690), (230, 137788), (245, 129352), (259, 122360), (266, 119140), (280, 113183), (296, 107065), (322, 98420), (370, 85652), (380, 83398), (392, 80845), (437, 72520), (460, 68894), (490, 64676), (518, 61180), (532, 59570), (644, 49210), (665, 47656), (703, 45080), (740, 42826), (760, 41699), (805, 39368), (851, 37240), (874, 36260), (920, 34447), (931, 34040), (980, 32338), (1036, 30590), (1064, 29785), (1127, 28120), (1288, 24605), (1295, 24472), (1330, 23828), (1406, 22540), (1480, 21413), (1610, 19684), (1702, 18620), (1748, 18130), (1813, 17480), (1862, 17020), (1960, 16169), (2072, 15295), (2185, 14504), (2254, 14060), (2590, 12236), (2660, 11914), (2812, 11270), (3059, 10360), (3220, 9842), (3404, 9310), (3496, 9065), (3515, 9016), (3626, 8740), (3724, 8510), (4255, 7448), (4370, 7252), (4508, 7030), (4655, 6808), (4921, 6440), (5180, 6118), (5320, 5957), (5624, 5635)]