68617680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 160

約数和(自身を含む): 223259520

約数和(自身を除く): 154641840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 61, 80, 86, 109, 120, 122, 129, 172, 183, 215, 218, 240, 244, 258, 305, 327, 344, 366, 430, 436, 488, 516, 545, 610, 645, 654, 688, 732, 860, 872, 915, 976, 1032, 1090, 1220, 1290, 1308, 1464, 1635, 1720, 1744, 1830, 2064, 2180, 2440, 2580, 2616, 2623, 2928, 3270, 3440, 3660, 4360, 4687, 4880, 5160, 5232, 5246, 6540, 6649, 7320, 7869, 8720, 9374, 10320, 10492, 13080, 13115, 13298, 14061, 14640, 15738, 18748, 19947, 20984, 23435, 26160, 26230, 26596, 28122, 31476, 33245, 37496, 39345, 39894, 41968, 46870, 52460, 53192, 56244, 62952, 66490, 70305, 74992, 78690, 79788, 93740, 99735, 104920, 106384, 112488, 125904, 132980, 140610, 157380, 159576, 187480, 199470, 209840, 224976, 265960, 281220, 285907, 314760, 319152, 374960, 398940, 531920, 562440, 571814, 629520, 797880, 857721, 1124880, 1143628, 1429535, 1595760, 1715442, 2287256, 2859070, 3430884, 4288605, 4574512, 5718140, 6861768, 8577210, 11436280, 13723536, 17154420, 22872560, 34308840, 68617680]

約数ペア:

[(1, 68617680), (2, 34308840), (3, 22872560), (4, 17154420), (5, 13723536), (6, 11436280), (8, 8577210), (10, 6861768), (12, 5718140), (15, 4574512), (16, 4288605), (20, 3430884), (24, 2859070), (30, 2287256), (40, 1715442), (43, 1595760), (48, 1429535), (60, 1143628), (61, 1124880), (80, 857721), (86, 797880), (109, 629520), (120, 571814), (122, 562440), (129, 531920), (172, 398940), (183, 374960), (215, 319152), (218, 314760), (240, 285907), (244, 281220), (258, 265960), (305, 224976), (327, 209840), (344, 199470), (366, 187480), (430, 159576), (436, 157380), (488, 140610), (516, 132980), (545, 125904), (610, 112488), (645, 106384), (654, 104920), (688, 99735), (732, 93740), (860, 79788), (872, 78690), (915, 74992), (976, 70305), (1032, 66490), (1090, 62952), (1220, 56244), (1290, 53192), (1308, 52460), (1464, 46870), (1635, 41968), (1720, 39894), (1744, 39345), (1830, 37496), (2064, 33245), (2180, 31476), (2440, 28122), (2580, 26596), (2616, 26230), (2623, 26160), (2928, 23435), (3270, 20984), (3440, 19947), (3660, 18748), (4360, 15738), (4687, 14640), (4880, 14061), (5160, 13298), (5232, 13115), (5246, 13080), (6540, 10492), (6649, 10320), (7320, 9374), (7869, 8720)]