391495440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{499}}^1$

素因数の和:989

約数の個数: 160

約数和(自身を含む): 1392768000

約数和(自身を除く): 1001272560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 467, 499, 560, 840, 934, 998, 1401, 1497, 1680, 1868, 1996, 2335, 2495, 2802, 2994, 3269, 3493, 3736, 3992, 4670, 4990, 5604, 5988, 6538, 6986, 7005, 7472, 7485, 7984, 9340, 9807, 9980, 10479, 11208, 11976, 13076, 13972, 14010, 14970, 16345, 17465, 18680, 19614, 19960, 20958, 22416, 23952, 26152, 27944, 28020, 29940, 32690, 34930, 37360, 39228, 39920, 41916, 49035, 52304, 52395, 55888, 56040, 59880, 65380, 69860, 78456, 83832, 98070, 104790, 112080, 119760, 130760, 139720, 156912, 167664, 196140, 209580, 233033, 261520, 279440, 392280, 419160, 466066, 699099, 784560, 838320, 932132, 1165165, 1398198, 1631231, 1864264, 2330330, 2796396, 3262462, 3495495, 3728528, 4660660, 4893693, 5592792, 6524924, 6990990, 8156155, 9321320, 9787386, 11185584, 13049848, 13981980, 16312310, 18642640, 19574772, 24468465, 26099696, 27963960, 32624620, 39149544, 48936930, 55927920, 65249240, 78299088, 97873860, 130498480, 195747720, 391495440]

約数ペア:

[(1, 391495440), (2, 195747720), (3, 130498480), (4, 97873860), (5, 78299088), (6, 65249240), (7, 55927920), (8, 48936930), (10, 39149544), (12, 32624620), (14, 27963960), (15, 26099696), (16, 24468465), (20, 19574772), (21, 18642640), (24, 16312310), (28, 13981980), (30, 13049848), (35, 11185584), (40, 9787386), (42, 9321320), (48, 8156155), (56, 6990990), (60, 6524924), (70, 5592792), (80, 4893693), (84, 4660660), (105, 3728528), (112, 3495495), (120, 3262462), (140, 2796396), (168, 2330330), (210, 1864264), (240, 1631231), (280, 1398198), (336, 1165165), (420, 932132), (467, 838320), (499, 784560), (560, 699099), (840, 466066), (934, 419160), (998, 392280), (1401, 279440), (1497, 261520), (1680, 233033), (1868, 209580), (1996, 196140), (2335, 167664), (2495, 156912), (2802, 139720), (2994, 130760), (3269, 119760), (3493, 112080), (3736, 104790), (3992, 98070), (4670, 83832), (4990, 78456), (5604, 69860), (5988, 65380), (6538, 59880), (6986, 56040), (7005, 55888), (7472, 52395), (7485, 52304), (7984, 49035), (9340, 41916), (9807, 39920), (9980, 39228), (10479, 37360), (11208, 34930), (11976, 32690), (13076, 29940), (13972, 28020), (14010, 27944), (14970, 26152), (16345, 23952), (17465, 22416), (18680, 20958), (19614, 19960)]