268157440

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 120

約数和(自身を含む): 670453740

約数和(自身を除く): 402296300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 109, 124, 128, 155, 160, 218, 248, 256, 310, 320, 436, 496, 512, 545, 620, 640, 872, 961, 992, 1090, 1240, 1280, 1744, 1922, 1984, 2180, 2480, 2560, 3379, 3488, 3844, 3968, 4360, 4805, 4960, 6758, 6976, 7688, 7936, 8720, 9610, 9920, 13516, 13952, 15376, 15872, 16895, 17440, 19220, 19840, 27032, 27904, 30752, 33790, 34880, 38440, 39680, 54064, 55808, 61504, 67580, 69760, 76880, 79360, 104749, 108128, 123008, 135160, 139520, 153760, 209498, 216256, 246016, 270320, 279040, 307520, 418996, 432512, 492032, 523745, 540640, 615040, 837992, 865024, 1047490, 1081280, 1230080, 1675984, 1730048, 2094980, 2162560, 2460160, 3351968, 4189960, 4325120, 6703936, 8379920, 8650240, 13407872, 16759840, 26815744, 33519680, 53631488, 67039360, 134078720, 268157440]

約数ペア:

[(1, 268157440), (2, 134078720), (4, 67039360), (5, 53631488), (8, 33519680), (10, 26815744), (16, 16759840), (20, 13407872), (31, 8650240), (32, 8379920), (40, 6703936), (62, 4325120), (64, 4189960), (80, 3351968), (109, 2460160), (124, 2162560), (128, 2094980), (155, 1730048), (160, 1675984), (218, 1230080), (248, 1081280), (256, 1047490), (310, 865024), (320, 837992), (436, 615040), (496, 540640), (512, 523745), (545, 492032), (620, 432512), (640, 418996), (872, 307520), (961, 279040), (992, 270320), (1090, 246016), (1240, 216256), (1280, 209498), (1744, 153760), (1922, 139520), (1984, 135160), (2180, 123008), (2480, 108128), (2560, 104749), (3379, 79360), (3488, 76880), (3844, 69760), (3968, 67580), (4360, 61504), (4805, 55808), (4960, 54064), (6758, 39680), (6976, 38440), (7688, 34880), (7936, 33790), (8720, 30752), (9610, 27904), (9920, 27032), (13516, 19840), (13952, 19220), (15376, 17440), (15872, 16895)]