68337280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:618

約数の個数: 128

約数和(自身を含む): 189034560

約数和(自身を除く): 120697280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 571, 640, 680, 704, 748, 880, 935, 1088, 1142, 1360, 1408, 1496, 1760, 1870, 2176, 2284, 2720, 2855, 2992, 3520, 3740, 4568, 5440, 5710, 5984, 6281, 7040, 7480, 9136, 9707, 10880, 11420, 11968, 12562, 14960, 18272, 19414, 22840, 23936, 25124, 29920, 31405, 36544, 38828, 45680, 48535, 50248, 59840, 62810, 73088, 77656, 91360, 97070, 100496, 106777, 119680, 125620, 155312, 182720, 194140, 200992, 213554, 251240, 310624, 365440, 388280, 401984, 427108, 502480, 533885, 621248, 776560, 803968, 854216, 1004960, 1067770, 1242496, 1553120, 1708432, 2009920, 2135540, 3106240, 3416864, 4019840, 4271080, 6212480, 6833728, 8542160, 13667456, 17084320, 34168640, 68337280]

約数ペア:

[(1, 68337280), (2, 34168640), (4, 17084320), (5, 13667456), (8, 8542160), (10, 6833728), (11, 6212480), (16, 4271080), (17, 4019840), (20, 3416864), (22, 3106240), (32, 2135540), (34, 2009920), (40, 1708432), (44, 1553120), (55, 1242496), (64, 1067770), (68, 1004960), (80, 854216), (85, 803968), (88, 776560), (110, 621248), (128, 533885), (136, 502480), (160, 427108), (170, 401984), (176, 388280), (187, 365440), (220, 310624), (272, 251240), (320, 213554), (340, 200992), (352, 194140), (374, 182720), (440, 155312), (544, 125620), (571, 119680), (640, 106777), (680, 100496), (704, 97070), (748, 91360), (880, 77656), (935, 73088), (1088, 62810), (1142, 59840), (1360, 50248), (1408, 48535), (1496, 45680), (1760, 38828), (1870, 36544), (2176, 31405), (2284, 29920), (2720, 25124), (2855, 23936), (2992, 22840), (3520, 19414), (3740, 18272), (4568, 14960), (5440, 12562), (5710, 11968), (5984, 11420), (6281, 10880), (7040, 9707), (7480, 9136)]