399963960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:419

約数の個数: 256

約数和(自身を含む): 1471219200

約数和(自身を除く): 1071255240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 131, 132, 135, 165, 180, 198, 216, 220, 257, 262, 264, 270, 297, 330, 360, 393, 396, 440, 495, 514, 524, 540, 594, 655, 660, 771, 786, 792, 990, 1028, 1048, 1080, 1179, 1188, 1285, 1310, 1320, 1441, 1485, 1542, 1572, 1965, 1980, 2056, 2313, 2358, 2376, 2570, 2620, 2827, 2882, 2970, 3084, 3144, 3537, 3855, 3930, 3960, 4323, 4626, 4716, 5140, 5240, 5654, 5764, 5895, 5940, 6168, 6939, 7074, 7205, 7710, 7860, 8481, 8646, 9252, 9432, 10280, 11308, 11528, 11565, 11790, 11880, 12969, 13878, 14135, 14148, 14410, 15420, 15720, 16962, 17292, 17685, 18504, 21615, 22616, 23130, 23580, 25443, 25938, 27756, 28270, 28296, 28820, 30840, 33667, 33924, 34584, 34695, 35370, 38907, 42405, 43230, 46260, 47160, 50886, 51876, 55512, 56540, 57640, 64845, 67334, 67848, 69390, 70740, 76329, 77814, 84810, 86460, 92520, 101001, 101772, 103752, 113080, 127215, 129690, 134668, 138780, 141480, 152658, 155628, 168335, 169620, 172920, 194535, 202002, 203544, 254430, 259380, 269336, 277560, 303003, 305316, 311256, 336670, 339240, 370337, 381645, 389070, 404004, 505005, 508860, 518760, 606006, 610632, 673340, 740674, 763290, 778140, 808008, 909009, 1010010, 1017720, 1111011, 1212012, 1346680, 1481348, 1515015, 1526580, 1556280, 1818018, 1851685, 2020020, 2222022, 2424024, 2962696, 3030030, 3053160, 3333033, 3636036, 3703370, 4040040, 4444044, 4545045, 5555055, 6060060, 6666066, 7272072, 7406740, 8888088, 9090090, 9999099, 11110110, 12120120, 13332132, 14813480, 16665165, 18180180, 19998198, 22220220, 26664264, 33330330, 36360360, 39996396, 44440440, 49995495, 66660660, 79992792, 99990990, 133321320, 199981980, 399963960]

約数ペア:

[(1, 399963960), (2, 199981980), (3, 133321320), (4, 99990990), (5, 79992792), (6, 66660660), (8, 49995495), (9, 44440440), (10, 39996396), (11, 36360360), (12, 33330330), (15, 26664264), (18, 22220220), (20, 19998198), (22, 18180180), (24, 16665165), (27, 14813480), (30, 13332132), (33, 12120120), (36, 11110110), (40, 9999099), (44, 9090090), (45, 8888088), (54, 7406740), (55, 7272072), (60, 6666066), (66, 6060060), (72, 5555055), (88, 4545045), (90, 4444044), (99, 4040040), (108, 3703370), (110, 3636036), (120, 3333033), (131, 3053160), (132, 3030030), (135, 2962696), (165, 2424024), (180, 2222022), (198, 2020020), (216, 1851685), (220, 1818018), (257, 1556280), (262, 1526580), (264, 1515015), (270, 1481348), (297, 1346680), (330, 1212012), (360, 1111011), (393, 1017720), (396, 1010010), (440, 909009), (495, 808008), (514, 778140), (524, 763290), (540, 740674), (594, 673340), (655, 610632), (660, 606006), (771, 518760), (786, 508860), (792, 505005), (990, 404004), (1028, 389070), (1048, 381645), (1080, 370337), (1179, 339240), (1188, 336670), (1285, 311256), (1310, 305316), (1320, 303003), (1441, 277560), (1485, 269336), (1542, 259380), (1572, 254430), (1965, 203544), (1980, 202002), (2056, 194535), (2313, 172920), (2358, 169620), (2376, 168335), (2570, 155628), (2620, 152658), (2827, 141480), (2882, 138780), (2970, 134668), (3084, 129690), (3144, 127215), (3537, 113080), (3855, 103752), (3930, 101772), (3960, 101001), (4323, 92520), (4626, 86460), (4716, 84810), (5140, 77814), (5240, 76329), (5654, 70740), (5764, 69390), (5895, 67848), (5940, 67334), (6168, 64845), (6939, 57640), (7074, 56540), (7205, 55512), (7710, 51876), (7860, 50886), (8481, 47160), (8646, 46260), (9252, 43230), (9432, 42405), (10280, 38907), (11308, 35370), (11528, 34695), (11565, 34584), (11790, 33924), (11880, 33667), (12969, 30840), (13878, 28820), (14135, 28296), (14148, 28270), (14410, 27756), (15420, 25938), (15720, 25443), (16962, 23580), (17292, 23130), (17685, 22616), (18504, 21615)]