31018680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1$

素因数の和:411

約数の個数: 256

約数和(自身を含む): 129254400

約数和(自身を除く): 98235720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 373, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 746, 756, 770, 792, 840, 924, 945, 990, 1080, 1119, 1155, 1188, 1260, 1320, 1386, 1485, 1492, 1512, 1540, 1848, 1865, 1890, 1980, 2079, 2238, 2310, 2376, 2520, 2611, 2772, 2970, 2984, 3080, 3357, 3465, 3730, 3780, 3960, 4103, 4158, 4476, 4620, 5222, 5544, 5595, 5940, 6714, 6930, 7460, 7560, 7833, 8206, 8316, 8952, 9240, 10071, 10395, 10444, 11190, 11880, 12309, 13055, 13428, 13860, 14920, 15666, 16412, 16632, 16785, 20142, 20515, 20790, 20888, 22380, 23499, 24618, 26110, 26856, 27720, 28721, 31332, 32824, 33570, 36927, 39165, 40284, 41030, 41580, 44760, 46998, 49236, 50355, 52220, 57442, 61545, 62664, 67140, 70497, 73854, 78330, 80568, 82060, 83160, 86163, 93996, 98472, 100710, 104440, 110781, 114884, 117495, 123090, 134280, 140994, 143605, 147708, 156660, 164120, 172326, 184635, 187992, 201420, 221562, 229768, 234990, 246180, 258489, 281988, 287210, 295416, 313320, 344652, 352485, 369270, 402840, 430815, 443124, 469980, 492360, 516978, 553905, 563976, 574420, 689304, 704970, 738540, 775467, 861630, 886248, 939960, 1033956, 1107810, 1148840, 1292445, 1409940, 1477080, 1550934, 1723260, 2067912, 2215620, 2584890, 2819880, 3101868, 3446520, 3877335, 4431240, 5169780, 6203736, 7754670, 10339560, 15509340, 31018680]

約数ペア:

[(1, 31018680), (2, 15509340), (3, 10339560), (4, 7754670), (5, 6203736), (6, 5169780), (7, 4431240), (8, 3877335), (9, 3446520), (10, 3101868), (11, 2819880), (12, 2584890), (14, 2215620), (15, 2067912), (18, 1723260), (20, 1550934), (21, 1477080), (22, 1409940), (24, 1292445), (27, 1148840), (28, 1107810), (30, 1033956), (33, 939960), (35, 886248), (36, 861630), (40, 775467), (42, 738540), (44, 704970), (45, 689304), (54, 574420), (55, 563976), (56, 553905), (60, 516978), (63, 492360), (66, 469980), (70, 443124), (72, 430815), (77, 402840), (84, 369270), (88, 352485), (90, 344652), (99, 313320), (105, 295416), (108, 287210), (110, 281988), (120, 258489), (126, 246180), (132, 234990), (135, 229768), (140, 221562), (154, 201420), (165, 187992), (168, 184635), (180, 172326), (189, 164120), (198, 156660), (210, 147708), (216, 143605), (220, 140994), (231, 134280), (252, 123090), (264, 117495), (270, 114884), (280, 110781), (297, 104440), (308, 100710), (315, 98472), (330, 93996), (360, 86163), (373, 83160), (378, 82060), (385, 80568), (396, 78330), (420, 73854), (440, 70497), (462, 67140), (495, 62664), (504, 61545), (540, 57442), (594, 52220), (616, 50355), (630, 49236), (660, 46998), (693, 44760), (746, 41580), (756, 41030), (770, 40284), (792, 39165), (840, 36927), (924, 33570), (945, 32824), (990, 31332), (1080, 28721), (1119, 27720), (1155, 26856), (1188, 26110), (1260, 24618), (1320, 23499), (1386, 22380), (1485, 20888), (1492, 20790), (1512, 20515), (1540, 20142), (1848, 16785), (1865, 16632), (1890, 16412), (1980, 15666), (2079, 14920), (2238, 13860), (2310, 13428), (2376, 13055), (2520, 12309), (2611, 11880), (2772, 11190), (2970, 10444), (2984, 10395), (3080, 10071), (3357, 9240), (3465, 8952), (3730, 8316), (3780, 8206), (3960, 7833), (4103, 7560), (4158, 7460), (4476, 6930), (4620, 6714), (5222, 5940), (5544, 5595)]