31396660320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1\times {\mathrm{1223}}^1$

素因数の和:1997

約数の個数: 192

約数和(自身を含む): 100381317120

約数和(自身を除く): 68984656800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 79, 80, 96, 120, 158, 160, 237, 240, 316, 395, 474, 480, 632, 677, 790, 948, 1185, 1223, 1264, 1354, 1580, 1896, 2031, 2370, 2446, 2528, 2708, 3160, 3385, 3669, 3792, 4062, 4740, 4892, 5416, 6115, 6320, 6770, 7338, 7584, 8124, 9480, 9784, 10155, 10832, 12230, 12640, 13540, 14676, 16248, 18345, 18960, 19568, 20310, 21664, 24460, 27080, 29352, 32496, 36690, 37920, 39136, 40620, 48920, 53483, 54160, 58704, 64992, 73380, 81240, 96617, 97840, 106966, 108320, 117408, 146760, 160449, 162480, 193234, 195680, 213932, 267415, 289851, 293520, 320898, 324960, 386468, 427864, 483085, 534830, 579702, 587040, 641796, 772936, 802245, 827971, 855728, 966170, 1069660, 1159404, 1283592, 1449255, 1545872, 1604490, 1655942, 1711456, 1932340, 2139320, 2318808, 2483913, 2567184, 2898510, 3091744, 3208980, 3311884, 3864680, 4139855, 4278640, 4637616, 4967826, 5134368, 5797020, 6417960, 6623768, 7729360, 8279710, 8557280, 9275232, 9935652, 11594040, 12419565, 12835920, 13247536, 15458720, 16559420, 19871304, 23188080, 24839130, 25671840, 26495072, 33118840, 39742608, 46376160, 49678260, 65409709, 66237680, 79485216, 99356520, 130819418, 132475360, 196229127, 198713040, 261638836, 327048545, 392458254, 397426080, 523277672, 654097090, 784916508, 981145635, 1046555344, 1308194180, 1569833016, 1962291270, 2093110688, 2616388360, 3139666032, 3924582540, 5232776720, 6279332064, 7849165080, 10465553440, 15698330160, 31396660320]

約数ペア:

[(1, 31396660320), (2, 15698330160), (3, 10465553440), (4, 7849165080), (5, 6279332064), (6, 5232776720), (8, 3924582540), (10, 3139666032), (12, 2616388360), (15, 2093110688), (16, 1962291270), (20, 1569833016), (24, 1308194180), (30, 1046555344), (32, 981145635), (40, 784916508), (48, 654097090), (60, 523277672), (79, 397426080), (80, 392458254), (96, 327048545), (120, 261638836), (158, 198713040), (160, 196229127), (237, 132475360), (240, 130819418), (316, 99356520), (395, 79485216), (474, 66237680), (480, 65409709), (632, 49678260), (677, 46376160), (790, 39742608), (948, 33118840), (1185, 26495072), (1223, 25671840), (1264, 24839130), (1354, 23188080), (1580, 19871304), (1896, 16559420), (2031, 15458720), (2370, 13247536), (2446, 12835920), (2528, 12419565), (2708, 11594040), (3160, 9935652), (3385, 9275232), (3669, 8557280), (3792, 8279710), (4062, 7729360), (4740, 6623768), (4892, 6417960), (5416, 5797020), (6115, 5134368), (6320, 4967826), (6770, 4637616), (7338, 4278640), (7584, 4139855), (8124, 3864680), (9480, 3311884), (9784, 3208980), (10155, 3091744), (10832, 2898510), (12230, 2567184), (12640, 2483913), (13540, 2318808), (14676, 2139320), (16248, 1932340), (18345, 1711456), (18960, 1655942), (19568, 1604490), (20310, 1545872), (21664, 1449255), (24460, 1283592), (27080, 1159404), (29352, 1069660), (32496, 966170), (36690, 855728), (37920, 827971), (39136, 802245), (40620, 772936), (48920, 641796), (53483, 587040), (54160, 579702), (58704, 534830), (64992, 483085), (73380, 427864), (81240, 386468), (96617, 324960), (97840, 320898), (106966, 293520), (108320, 289851), (117408, 267415), (146760, 213932), (160449, 195680), (162480, 193234)]