438498840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 256

約数和(自身を含む): 1489259520

約数和(自身を除く): 1050760680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 71, 74, 78, 104, 107, 111, 120, 130, 142, 148, 156, 185, 195, 213, 214, 222, 260, 284, 296, 312, 321, 355, 370, 390, 426, 428, 444, 481, 520, 535, 555, 568, 642, 710, 740, 780, 852, 856, 888, 923, 962, 1065, 1070, 1110, 1284, 1391, 1420, 1443, 1480, 1560, 1605, 1704, 1846, 1924, 2130, 2140, 2220, 2405, 2568, 2627, 2769, 2782, 2840, 2886, 3210, 3692, 3848, 3959, 4173, 4260, 4280, 4440, 4615, 4810, 5254, 5538, 5564, 5772, 6420, 6955, 7215, 7384, 7597, 7881, 7918, 8346, 8520, 9230, 9620, 10508, 11076, 11128, 11544, 11877, 12840, 13135, 13845, 13910, 14430, 15194, 15762, 15836, 16692, 18460, 19240, 19795, 20865, 21016, 22152, 22791, 23754, 26270, 27690, 27820, 28860, 30388, 31524, 31672, 33384, 34151, 36920, 37985, 39405, 39590, 41730, 45582, 47508, 51467, 52540, 55380, 55640, 57720, 59385, 60776, 63048, 68302, 75970, 78810, 79180, 83460, 91164, 95016, 98761, 102453, 102934, 105080, 110760, 113955, 118770, 136604, 151940, 154401, 157620, 158360, 166920, 170755, 182328, 197522, 204906, 205868, 227910, 237540, 257335, 273208, 281089, 296283, 303880, 308802, 315240, 341510, 395044, 409812, 411736, 455820, 475080, 493805, 512265, 514670, 562178, 592566, 617604, 683020, 772005, 790088, 819624, 843267, 911640, 987610, 1024530, 1029340, 1124356, 1185132, 1235208, 1366040, 1405445, 1481415, 1544010, 1686534, 1975220, 2049060, 2058680, 2248712, 2370264, 2810890, 2962830, 3088020, 3373068, 3654157, 3950440, 4098120, 4216335, 5621780, 5925660, 6176040, 6746136, 7308314, 8432670, 10962471, 11243560, 11851320, 14616628, 16865340, 18270785, 21924942, 29233256, 33730680, 36541570, 43849884, 54812355, 73083140, 87699768, 109624710, 146166280, 219249420, 438498840]

約数ペア:

[(1, 438498840), (2, 219249420), (3, 146166280), (4, 109624710), (5, 87699768), (6, 73083140), (8, 54812355), (10, 43849884), (12, 36541570), (13, 33730680), (15, 29233256), (20, 21924942), (24, 18270785), (26, 16865340), (30, 14616628), (37, 11851320), (39, 11243560), (40, 10962471), (52, 8432670), (60, 7308314), (65, 6746136), (71, 6176040), (74, 5925660), (78, 5621780), (104, 4216335), (107, 4098120), (111, 3950440), (120, 3654157), (130, 3373068), (142, 3088020), (148, 2962830), (156, 2810890), (185, 2370264), (195, 2248712), (213, 2058680), (214, 2049060), (222, 1975220), (260, 1686534), (284, 1544010), (296, 1481415), (312, 1405445), (321, 1366040), (355, 1235208), (370, 1185132), (390, 1124356), (426, 1029340), (428, 1024530), (444, 987610), (481, 911640), (520, 843267), (535, 819624), (555, 790088), (568, 772005), (642, 683020), (710, 617604), (740, 592566), (780, 562178), (852, 514670), (856, 512265), (888, 493805), (923, 475080), (962, 455820), (1065, 411736), (1070, 409812), (1110, 395044), (1284, 341510), (1391, 315240), (1420, 308802), (1443, 303880), (1480, 296283), (1560, 281089), (1605, 273208), (1704, 257335), (1846, 237540), (1924, 227910), (2130, 205868), (2140, 204906), (2220, 197522), (2405, 182328), (2568, 170755), (2627, 166920), (2769, 158360), (2782, 157620), (2840, 154401), (2886, 151940), (3210, 136604), (3692, 118770), (3848, 113955), (3959, 110760), (4173, 105080), (4260, 102934), (4280, 102453), (4440, 98761), (4615, 95016), (4810, 91164), (5254, 83460), (5538, 79180), (5564, 78810), (5772, 75970), (6420, 68302), (6955, 63048), (7215, 60776), (7384, 59385), (7597, 57720), (7881, 55640), (7918, 55380), (8346, 52540), (8520, 51467), (9230, 47508), (9620, 45582), (10508, 41730), (11076, 39590), (11128, 39405), (11544, 37985), (11877, 36920), (12840, 34151), (13135, 33384), (13845, 31672), (13910, 31524), (14430, 30388), (15194, 28860), (15762, 27820), (15836, 27690), (16692, 26270), (18460, 23754), (19240, 22791), (19795, 22152), (20865, 21016)]