255770880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1616

約数の個数: 144

約数和(自身を含む): 836404800

約数和(自身を除く): 580633920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 256, 258, 320, 344, 384, 430, 480, 516, 640, 645, 688, 768, 860, 960, 1032, 1280, 1290, 1376, 1549, 1720, 1920, 2064, 2580, 2752, 3098, 3440, 3840, 4128, 4647, 5160, 5504, 6196, 6880, 7745, 8256, 9294, 10320, 11008, 12392, 13760, 15490, 16512, 18588, 20640, 23235, 24784, 27520, 30980, 33024, 37176, 41280, 46470, 49568, 55040, 61960, 66607, 74352, 82560, 92940, 99136, 123920, 133214, 148704, 165120, 185880, 198272, 199821, 247840, 266428, 297408, 333035, 371760, 396544, 399642, 495680, 532856, 594816, 666070, 743520, 799284, 991360, 999105, 1065712, 1189632, 1332140, 1487040, 1598568, 1982720, 1998210, 2131424, 2664280, 2974080, 3197136, 3996420, 4262848, 5328560, 5948160, 6394272, 7992840, 8525696, 10657120, 12788544, 15985680, 17051392, 21314240, 25577088, 31971360, 42628480, 51154176, 63942720, 85256960, 127885440, 255770880]

約数ペア:

[(1, 255770880), (2, 127885440), (3, 85256960), (4, 63942720), (5, 51154176), (6, 42628480), (8, 31971360), (10, 25577088), (12, 21314240), (15, 17051392), (16, 15985680), (20, 12788544), (24, 10657120), (30, 8525696), (32, 7992840), (40, 6394272), (43, 5948160), (48, 5328560), (60, 4262848), (64, 3996420), (80, 3197136), (86, 2974080), (96, 2664280), (120, 2131424), (128, 1998210), (129, 1982720), (160, 1598568), (172, 1487040), (192, 1332140), (215, 1189632), (240, 1065712), (256, 999105), (258, 991360), (320, 799284), (344, 743520), (384, 666070), (430, 594816), (480, 532856), (516, 495680), (640, 399642), (645, 396544), (688, 371760), (768, 333035), (860, 297408), (960, 266428), (1032, 247840), (1280, 199821), (1290, 198272), (1376, 185880), (1549, 165120), (1720, 148704), (1920, 133214), (2064, 123920), (2580, 99136), (2752, 92940), (3098, 82560), (3440, 74352), (3840, 66607), (4128, 61960), (4647, 55040), (5160, 49568), (5504, 46470), (6196, 41280), (6880, 37176), (7745, 33024), (8256, 30980), (9294, 27520), (10320, 24784), (11008, 23235), (12392, 20640), (13760, 18588), (15490, 16512)]