31608720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:350

約数の個数: 240

約数和(自身を含む): 125116992

約数和(自身を除く): 93508272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 165, 176, 180, 195, 198, 208, 220, 234, 240, 260, 264, 286, 307, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 528, 572, 585, 614, 624, 660, 715, 720, 780, 792, 858, 880, 921, 936, 990, 1040, 1144, 1170, 1228, 1287, 1320, 1430, 1535, 1560, 1584, 1716, 1842, 1872, 1980, 2145, 2288, 2340, 2456, 2574, 2640, 2763, 2860, 3070, 3120, 3377, 3432, 3684, 3960, 3991, 4290, 4605, 4680, 4912, 5148, 5526, 5720, 6140, 6435, 6754, 6864, 7368, 7920, 7982, 8580, 9210, 9360, 10131, 10296, 11052, 11440, 11973, 12280, 12870, 13508, 13815, 14736, 15964, 16885, 17160, 18420, 19955, 20262, 20592, 22104, 23946, 24560, 25740, 27016, 27630, 30393, 31928, 33770, 34320, 35919, 36840, 39910, 40524, 43901, 44208, 47892, 50655, 51480, 54032, 55260, 59865, 60786, 63856, 67540, 71838, 73680, 79820, 81048, 87802, 95784, 101310, 102960, 110520, 119730, 121572, 131703, 135080, 143676, 151965, 159640, 162096, 175604, 179595, 191568, 202620, 219505, 221040, 239460, 243144, 263406, 270160, 287352, 303930, 319280, 351208, 359190, 395109, 405240, 439010, 478920, 486288, 526812, 574704, 607860, 658515, 702416, 718380, 790218, 810480, 878020, 957840, 1053624, 1215720, 1317030, 1436760, 1580436, 1756040, 1975545, 2107248, 2431440, 2634060, 2873520, 3160872, 3512080, 3951090, 5268120, 6321744, 7902180, 10536240, 15804360, 31608720]

約数ペア:

[(1, 31608720), (2, 15804360), (3, 10536240), (4, 7902180), (5, 6321744), (6, 5268120), (8, 3951090), (9, 3512080), (10, 3160872), (11, 2873520), (12, 2634060), (13, 2431440), (15, 2107248), (16, 1975545), (18, 1756040), (20, 1580436), (22, 1436760), (24, 1317030), (26, 1215720), (30, 1053624), (33, 957840), (36, 878020), (39, 810480), (40, 790218), (44, 718380), (45, 702416), (48, 658515), (52, 607860), (55, 574704), (60, 526812), (65, 486288), (66, 478920), (72, 439010), (78, 405240), (80, 395109), (88, 359190), (90, 351208), (99, 319280), (104, 303930), (110, 287352), (117, 270160), (120, 263406), (130, 243144), (132, 239460), (143, 221040), (144, 219505), (156, 202620), (165, 191568), (176, 179595), (180, 175604), (195, 162096), (198, 159640), (208, 151965), (220, 143676), (234, 135080), (240, 131703), (260, 121572), (264, 119730), (286, 110520), (307, 102960), (312, 101310), (330, 95784), (360, 87802), (390, 81048), (396, 79820), (429, 73680), (440, 71838), (468, 67540), (495, 63856), (520, 60786), (528, 59865), (572, 55260), (585, 54032), (614, 51480), (624, 50655), (660, 47892), (715, 44208), (720, 43901), (780, 40524), (792, 39910), (858, 36840), (880, 35919), (921, 34320), (936, 33770), (990, 31928), (1040, 30393), (1144, 27630), (1170, 27016), (1228, 25740), (1287, 24560), (1320, 23946), (1430, 22104), (1535, 20592), (1560, 20262), (1584, 19955), (1716, 18420), (1842, 17160), (1872, 16885), (1980, 15964), (2145, 14736), (2288, 13815), (2340, 13508), (2456, 12870), (2574, 12280), (2640, 11973), (2763, 11440), (2860, 11052), (3070, 10296), (3120, 10131), (3377, 9360), (3432, 9210), (3684, 8580), (3960, 7982), (3991, 7920), (4290, 7368), (4605, 6864), (4680, 6754), (4912, 6435), (5148, 6140), (5526, 5720)]