255341440

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:360

約数の個数: 128

約数和(自身を含む): 644656320

約数和(自身を除く): 389314880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 64, 74, 80, 82, 128, 148, 160, 164, 185, 205, 263, 296, 320, 328, 370, 410, 526, 592, 640, 656, 740, 820, 1052, 1184, 1312, 1315, 1480, 1517, 1640, 2104, 2368, 2624, 2630, 2960, 3034, 3280, 4208, 4736, 5248, 5260, 5920, 6068, 6560, 7585, 8416, 9731, 10520, 10783, 11840, 12136, 13120, 15170, 16832, 19462, 21040, 21566, 23680, 24272, 26240, 30340, 33664, 38924, 42080, 43132, 48544, 48655, 53915, 60680, 77848, 84160, 86264, 97088, 97310, 107830, 121360, 155696, 168320, 172528, 194176, 194620, 215660, 242720, 311392, 345056, 389240, 398971, 431320, 485440, 622784, 690112, 778480, 797942, 862640, 970880, 1245568, 1380224, 1556960, 1595884, 1725280, 1994855, 3113920, 3191768, 3450560, 3989710, 6227840, 6383536, 6901120, 7979420, 12767072, 15958840, 25534144, 31917680, 51068288, 63835360, 127670720, 255341440]

約数ペア:

[(1, 255341440), (2, 127670720), (4, 63835360), (5, 51068288), (8, 31917680), (10, 25534144), (16, 15958840), (20, 12767072), (32, 7979420), (37, 6901120), (40, 6383536), (41, 6227840), (64, 3989710), (74, 3450560), (80, 3191768), (82, 3113920), (128, 1994855), (148, 1725280), (160, 1595884), (164, 1556960), (185, 1380224), (205, 1245568), (263, 970880), (296, 862640), (320, 797942), (328, 778480), (370, 690112), (410, 622784), (526, 485440), (592, 431320), (640, 398971), (656, 389240), (740, 345056), (820, 311392), (1052, 242720), (1184, 215660), (1312, 194620), (1315, 194176), (1480, 172528), (1517, 168320), (1640, 155696), (2104, 121360), (2368, 107830), (2624, 97310), (2630, 97088), (2960, 86264), (3034, 84160), (3280, 77848), (4208, 60680), (4736, 53915), (5248, 48655), (5260, 48544), (5920, 43132), (6068, 42080), (6560, 38924), (7585, 33664), (8416, 30340), (9731, 26240), (10520, 24272), (10783, 23680), (11840, 21566), (12136, 21040), (13120, 19462), (15170, 16832)]