31044480

素因数分解:

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

素因数の和:101

約数の個数: 256

約数和(自身を含む): 111628800

約数和(自身を除く): 80584320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 37, 38, 40, 46, 48, 57, 60, 64, 69, 74, 76, 80, 92, 95, 96, 111, 114, 115, 120, 128, 138, 148, 152, 160, 184, 185, 190, 192, 222, 228, 230, 240, 276, 285, 296, 304, 320, 345, 368, 370, 380, 384, 437, 444, 456, 460, 480, 552, 555, 570, 592, 608, 640, 690, 703, 736, 740, 760, 851, 874, 888, 912, 920, 960, 1104, 1110, 1140, 1184, 1216, 1311, 1380, 1406, 1472, 1480, 1520, 1702, 1748, 1776, 1824, 1840, 1920, 2109, 2185, 2208, 2220, 2280, 2368, 2432, 2553, 2622, 2760, 2812, 2944, 2960, 3040, 3404, 3496, 3515, 3552, 3648, 3680, 4218, 4255, 4370, 4416, 4440, 4560, 4736, 5106, 5244, 5520, 5624, 5920, 6080, 6555, 6808, 6992, 7030, 7104, 7296, 7360, 8436, 8510, 8740, 8832, 8880, 9120, 10212, 10488, 10545, 11040, 11248, 11840, 12160, 12765, 13110, 13616, 13984, 14060, 14208, 14720, 16169, 16872, 17020, 17480, 17760, 18240, 20424, 20976, 21090, 22080, 22496, 23680, 25530, 26220, 27232, 27968, 28120, 32338, 33744, 34040, 34960, 35520, 36480, 40848, 41952, 42180, 44160, 44992, 48507, 51060, 52440, 54464, 55936, 56240, 64676, 67488, 68080, 69920, 71040, 80845, 81696, 83904, 84360, 89984, 97014, 102120, 104880, 108928, 112480, 129352, 134976, 136160, 139840, 161690, 163392, 167808, 168720, 194028, 204240, 209760, 224960, 242535, 258704, 269952, 272320, 279680, 323380, 326784, 337440, 388056, 408480, 419520, 449920, 485070, 517408, 544640, 646760, 674880, 776112, 816960, 839040, 970140, 1034816, 1293520, 1349760, 1552224, 1633920, 1940280, 2069632, 2587040, 3104448, 3880560, 5174080, 6208896, 7761120, 10348160, 15522240, 31044480]

約数ペア:

[(1, 31044480), (2, 15522240), (3, 10348160), (4, 7761120), (5, 6208896), (6, 5174080), (8, 3880560), (10, 3104448), (12, 2587040), (15, 2069632), (16, 1940280), (19, 1633920), (20, 1552224), (23, 1349760), (24, 1293520), (30, 1034816), (32, 970140), (37, 839040), (38, 816960), (40, 776112), (46, 674880), (48, 646760), (57, 544640), (60, 517408), (64, 485070), (69, 449920), (74, 419520), (76, 408480), (80, 388056), (92, 337440), (95, 326784), (96, 323380), (111, 279680), (114, 272320), (115, 269952), (120, 258704), (128, 242535), (138, 224960), (148, 209760), (152, 204240), (160, 194028), (184, 168720), (185, 167808), (190, 163392), (192, 161690), (222, 139840), (228, 136160), (230, 134976), (240, 129352), (276, 112480), (285, 108928), (296, 104880), (304, 102120), (320, 97014), (345, 89984), (368, 84360), (370, 83904), (380, 81696), (384, 80845), (437, 71040), (444, 69920), (456, 68080), (460, 67488), (480, 64676), (552, 56240), (555, 55936), (570, 54464), (592, 52440), (608, 51060), (640, 48507), (690, 44992), (703, 44160), (736, 42180), (740, 41952), (760, 40848), (851, 36480), (874, 35520), (888, 34960), (912, 34040), (920, 33744), (960, 32338), (1104, 28120), (1110, 27968), (1140, 27232), (1184, 26220), (1216, 25530), (1311, 23680), (1380, 22496), (1406, 22080), (1472, 21090), (1480, 20976), (1520, 20424), (1702, 18240), (1748, 17760), (1776, 17480), (1824, 17020), (1840, 16872), (1920, 16169), (2109, 14720), (2185, 14208), (2208, 14060), (2220, 13984), (2280, 13616), (2368, 13110), (2432, 12765), (2553, 12160), (2622, 11840), (2760, 11248), (2812, 11040), (2944, 10545), (2960, 10488), (3040, 10212), (3404, 9120), (3496, 8880), (3515, 8832), (3552, 8740), (3648, 8510), (3680, 8436), (4218, 7360), (4255, 7296), (4370, 7104), (4416, 7030), (4440, 6992), (4560, 6808), (4736, 6555), (5106, 6080), (5244, 5920), (5520, 5624)]