1391440960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:781

約数の個数: 224

約数和(自身を含む): 4141573632

約数和(自身を除く): 2750132672

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 71, 80, 91, 104, 112, 130, 140, 142, 160, 182, 208, 224, 260, 280, 284, 320, 355, 364, 416, 448, 455, 497, 520, 560, 568, 673, 710, 728, 832, 910, 923, 994, 1040, 1120, 1136, 1346, 1420, 1456, 1820, 1846, 1988, 2080, 2240, 2272, 2485, 2692, 2840, 2912, 3365, 3640, 3692, 3976, 4160, 4544, 4615, 4711, 4970, 5384, 5680, 5824, 6461, 6730, 7280, 7384, 7952, 8749, 9230, 9422, 9940, 10768, 11360, 12922, 13460, 14560, 14768, 15904, 17498, 18460, 18844, 19880, 21536, 22720, 23555, 25844, 26920, 29120, 29536, 31808, 32305, 34996, 36920, 37688, 39760, 43072, 43745, 47110, 47783, 51688, 53840, 59072, 61243, 64610, 69992, 73840, 75376, 79520, 87490, 94220, 95566, 103376, 107680, 122486, 129220, 139984, 147680, 150752, 159040, 174980, 188440, 191132, 206752, 215360, 238915, 244972, 258440, 279968, 295360, 301504, 306215, 334481, 349960, 376880, 382264, 413504, 477830, 489944, 516880, 559936, 612430, 621179, 668962, 699920, 753760, 764528, 955660, 979888, 1033760, 1224860, 1242358, 1337924, 1399840, 1507520, 1529056, 1672405, 1911320, 1959776, 2067520, 2449720, 2484716, 2675848, 2799680, 3058112, 3105895, 3344810, 3822640, 3919552, 4348253, 4899440, 4969432, 5351696, 6211790, 6689620, 7645280, 8696506, 9798880, 9938864, 10703392, 12423580, 13379240, 15290560, 17393012, 19597760, 19877728, 21406784, 21741265, 24847160, 26758480, 34786024, 39755456, 43482530, 49694320, 53516960, 69572048, 86965060, 99388640, 107033920, 139144096, 173930120, 198777280, 278288192, 347860240, 695720480, 1391440960]

約数ペア:

[(1, 1391440960), (2, 695720480), (4, 347860240), (5, 278288192), (7, 198777280), (8, 173930120), (10, 139144096), (13, 107033920), (14, 99388640), (16, 86965060), (20, 69572048), (26, 53516960), (28, 49694320), (32, 43482530), (35, 39755456), (40, 34786024), (52, 26758480), (56, 24847160), (64, 21741265), (65, 21406784), (70, 19877728), (71, 19597760), (80, 17393012), (91, 15290560), (104, 13379240), (112, 12423580), (130, 10703392), (140, 9938864), (142, 9798880), (160, 8696506), (182, 7645280), (208, 6689620), (224, 6211790), (260, 5351696), (280, 4969432), (284, 4899440), (320, 4348253), (355, 3919552), (364, 3822640), (416, 3344810), (448, 3105895), (455, 3058112), (497, 2799680), (520, 2675848), (560, 2484716), (568, 2449720), (673, 2067520), (710, 1959776), (728, 1911320), (832, 1672405), (910, 1529056), (923, 1507520), (994, 1399840), (1040, 1337924), (1120, 1242358), (1136, 1224860), (1346, 1033760), (1420, 979888), (1456, 955660), (1820, 764528), (1846, 753760), (1988, 699920), (2080, 668962), (2240, 621179), (2272, 612430), (2485, 559936), (2692, 516880), (2840, 489944), (2912, 477830), (3365, 413504), (3640, 382264), (3692, 376880), (3976, 349960), (4160, 334481), (4544, 306215), (4615, 301504), (4711, 295360), (4970, 279968), (5384, 258440), (5680, 244972), (5824, 238915), (6461, 215360), (6730, 206752), (7280, 191132), (7384, 188440), (7952, 174980), (8749, 159040), (9230, 150752), (9422, 147680), (9940, 139984), (10768, 129220), (11360, 122486), (12922, 107680), (13460, 103376), (14560, 95566), (14768, 94220), (15904, 87490), (17498, 79520), (18460, 75376), (18844, 73840), (19880, 69992), (21536, 64610), (22720, 61243), (23555, 59072), (25844, 53840), (26920, 51688), (29120, 47783), (29536, 47110), (31808, 43745), (32305, 43072), (34996, 39760), (36920, 37688)]