31897320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:184

約数の個数: 256

約数和(自身を含む): 123863040

約数和(自身を除く): 91965720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 104, 105, 115, 120, 127, 130, 138, 140, 156, 161, 168, 182, 184, 195, 210, 230, 254, 260, 273, 276, 280, 299, 312, 322, 345, 364, 381, 390, 420, 455, 460, 483, 508, 520, 546, 552, 598, 635, 644, 690, 728, 762, 780, 805, 840, 889, 897, 910, 920, 966, 1016, 1092, 1196, 1270, 1288, 1365, 1380, 1495, 1524, 1560, 1610, 1651, 1778, 1794, 1820, 1905, 1932, 2093, 2184, 2392, 2415, 2540, 2667, 2730, 2760, 2921, 2990, 3048, 3220, 3302, 3556, 3588, 3640, 3810, 3864, 4186, 4445, 4485, 4830, 4953, 5080, 5334, 5460, 5842, 5980, 6279, 6440, 6604, 7112, 7176, 7620, 8255, 8372, 8763, 8890, 8970, 9660, 9906, 10465, 10668, 10920, 11557, 11684, 11960, 12558, 13208, 13335, 14605, 15240, 16510, 16744, 17526, 17780, 17940, 19320, 19812, 20447, 20930, 21336, 23114, 23368, 24765, 25116, 26670, 29210, 31395, 33020, 34671, 35052, 35560, 35880, 37973, 39624, 40894, 41860, 43815, 46228, 49530, 50232, 53340, 57785, 58420, 61341, 62790, 66040, 69342, 70104, 75946, 81788, 83720, 87630, 92456, 99060, 102235, 106680, 113919, 115570, 116840, 122682, 125580, 138684, 151892, 163576, 173355, 175260, 189865, 198120, 204470, 227838, 231140, 245364, 251160, 265811, 277368, 303784, 306705, 346710, 350520, 379730, 408940, 455676, 462280, 490728, 531622, 569595, 613410, 693420, 759460, 797433, 817880, 911352, 1063244, 1139190, 1226820, 1329055, 1386840, 1518920, 1594866, 2126488, 2278380, 2453640, 2658110, 3189732, 3987165, 4556760, 5316220, 6379464, 7974330, 10632440, 15948660, 31897320]

約数ペア:

[(1, 31897320), (2, 15948660), (3, 10632440), (4, 7974330), (5, 6379464), (6, 5316220), (7, 4556760), (8, 3987165), (10, 3189732), (12, 2658110), (13, 2453640), (14, 2278380), (15, 2126488), (20, 1594866), (21, 1518920), (23, 1386840), (24, 1329055), (26, 1226820), (28, 1139190), (30, 1063244), (35, 911352), (39, 817880), (40, 797433), (42, 759460), (46, 693420), (52, 613410), (56, 569595), (60, 531622), (65, 490728), (69, 462280), (70, 455676), (78, 408940), (84, 379730), (91, 350520), (92, 346710), (104, 306705), (105, 303784), (115, 277368), (120, 265811), (127, 251160), (130, 245364), (138, 231140), (140, 227838), (156, 204470), (161, 198120), (168, 189865), (182, 175260), (184, 173355), (195, 163576), (210, 151892), (230, 138684), (254, 125580), (260, 122682), (273, 116840), (276, 115570), (280, 113919), (299, 106680), (312, 102235), (322, 99060), (345, 92456), (364, 87630), (381, 83720), (390, 81788), (420, 75946), (455, 70104), (460, 69342), (483, 66040), (508, 62790), (520, 61341), (546, 58420), (552, 57785), (598, 53340), (635, 50232), (644, 49530), (690, 46228), (728, 43815), (762, 41860), (780, 40894), (805, 39624), (840, 37973), (889, 35880), (897, 35560), (910, 35052), (920, 34671), (966, 33020), (1016, 31395), (1092, 29210), (1196, 26670), (1270, 25116), (1288, 24765), (1365, 23368), (1380, 23114), (1495, 21336), (1524, 20930), (1560, 20447), (1610, 19812), (1651, 19320), (1778, 17940), (1794, 17780), (1820, 17526), (1905, 16744), (1932, 16510), (2093, 15240), (2184, 14605), (2392, 13335), (2415, 13208), (2540, 12558), (2667, 11960), (2730, 11684), (2760, 11557), (2921, 10920), (2990, 10668), (3048, 10465), (3220, 9906), (3302, 9660), (3556, 8970), (3588, 8890), (3640, 8763), (3810, 8372), (3864, 8255), (4186, 7620), (4445, 7176), (4485, 7112), (4830, 6604), (4953, 6440), (5080, 6279), (5334, 5980), (5460, 5842)]