31661520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 160

約数和(自身を含む): 109278720

約数和(自身を除く): 77617200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 67, 80, 88, 110, 120, 132, 134, 165, 176, 179, 201, 220, 240, 264, 268, 330, 335, 358, 402, 440, 528, 536, 537, 660, 670, 716, 737, 804, 880, 895, 1005, 1072, 1074, 1320, 1340, 1432, 1474, 1608, 1790, 1969, 2010, 2148, 2211, 2640, 2680, 2685, 2864, 2948, 3216, 3580, 3685, 3938, 4020, 4296, 4422, 5360, 5370, 5896, 5907, 7160, 7370, 7876, 8040, 8592, 8844, 9845, 10740, 11055, 11792, 11814, 11993, 14320, 14740, 15752, 16080, 17688, 19690, 21480, 22110, 23628, 23986, 29480, 29535, 31504, 35376, 35979, 39380, 42960, 44220, 47256, 47972, 58960, 59070, 59965, 71958, 78760, 88440, 94512, 95944, 118140, 119930, 131923, 143916, 157520, 176880, 179895, 191888, 236280, 239860, 263846, 287832, 359790, 395769, 472560, 479720, 527692, 575664, 659615, 719580, 791538, 959440, 1055384, 1319230, 1439160, 1583076, 1978845, 2110768, 2638460, 2878320, 3166152, 3957690, 5276920, 6332304, 7915380, 10553840, 15830760, 31661520]

約数ペア:

[(1, 31661520), (2, 15830760), (3, 10553840), (4, 7915380), (5, 6332304), (6, 5276920), (8, 3957690), (10, 3166152), (11, 2878320), (12, 2638460), (15, 2110768), (16, 1978845), (20, 1583076), (22, 1439160), (24, 1319230), (30, 1055384), (33, 959440), (40, 791538), (44, 719580), (48, 659615), (55, 575664), (60, 527692), (66, 479720), (67, 472560), (80, 395769), (88, 359790), (110, 287832), (120, 263846), (132, 239860), (134, 236280), (165, 191888), (176, 179895), (179, 176880), (201, 157520), (220, 143916), (240, 131923), (264, 119930), (268, 118140), (330, 95944), (335, 94512), (358, 88440), (402, 78760), (440, 71958), (528, 59965), (536, 59070), (537, 58960), (660, 47972), (670, 47256), (716, 44220), (737, 42960), (804, 39380), (880, 35979), (895, 35376), (1005, 31504), (1072, 29535), (1074, 29480), (1320, 23986), (1340, 23628), (1432, 22110), (1474, 21480), (1608, 19690), (1790, 17688), (1969, 16080), (2010, 15752), (2148, 14740), (2211, 14320), (2640, 11993), (2680, 11814), (2685, 11792), (2864, 11055), (2948, 10740), (3216, 9845), (3580, 8844), (3685, 8592), (3938, 8040), (4020, 7876), (4296, 7370), (4422, 7160), (5360, 5907), (5370, 5896)]