266551040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 741726720

約数和(自身を除く): 475175680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 256, 280, 284, 320, 355, 419, 448, 497, 560, 568, 640, 710, 838, 896, 994, 1120, 1136, 1280, 1420, 1676, 1792, 1988, 2095, 2240, 2272, 2485, 2840, 2933, 3352, 3976, 4190, 4480, 4544, 4970, 5680, 5866, 6704, 7952, 8380, 8960, 9088, 9940, 11360, 11732, 13408, 14665, 15904, 16760, 18176, 19880, 22720, 23464, 26816, 29330, 29749, 31808, 33520, 39760, 45440, 46928, 53632, 58660, 59498, 63616, 67040, 79520, 90880, 93856, 107264, 117320, 118996, 127232, 134080, 148745, 159040, 187712, 208243, 234640, 237992, 268160, 297490, 318080, 375424, 416486, 469280, 475984, 536320, 594980, 636160, 750848, 832972, 938560, 951968, 1041215, 1189960, 1665944, 1877120, 1903936, 2082430, 2379920, 3331888, 3754240, 3807872, 4164860, 4759840, 6663776, 7615744, 8329720, 9519680, 13327552, 16659440, 19039360, 26655104, 33318880, 38078720, 53310208, 66637760, 133275520, 266551040]

約数ペア:

[(1, 266551040), (2, 133275520), (4, 66637760), (5, 53310208), (7, 38078720), (8, 33318880), (10, 26655104), (14, 19039360), (16, 16659440), (20, 13327552), (28, 9519680), (32, 8329720), (35, 7615744), (40, 6663776), (56, 4759840), (64, 4164860), (70, 3807872), (71, 3754240), (80, 3331888), (112, 2379920), (128, 2082430), (140, 1903936), (142, 1877120), (160, 1665944), (224, 1189960), (256, 1041215), (280, 951968), (284, 938560), (320, 832972), (355, 750848), (419, 636160), (448, 594980), (497, 536320), (560, 475984), (568, 469280), (640, 416486), (710, 375424), (838, 318080), (896, 297490), (994, 268160), (1120, 237992), (1136, 234640), (1280, 208243), (1420, 187712), (1676, 159040), (1792, 148745), (1988, 134080), (2095, 127232), (2240, 118996), (2272, 117320), (2485, 107264), (2840, 93856), (2933, 90880), (3352, 79520), (3976, 67040), (4190, 63616), (4480, 59498), (4544, 58660), (4970, 53632), (5680, 46928), (5866, 45440), (6704, 39760), (7952, 33520), (8380, 31808), (8960, 29749), (9088, 29330), (9940, 26816), (11360, 23464), (11732, 22720), (13408, 19880), (14665, 18176), (15904, 16760)]