31481760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{65587}}^1$

素因数の和:65605

約数の個数: 48

約数和(自身を含む): 99169056

約数和(自身を除く): 67687296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 65587, 131174, 196761, 262348, 327935, 393522, 524696, 655870, 787044, 983805, 1049392, 1311740, 1574088, 1967610, 2098784, 2623480, 3148176, 3935220, 5246960, 6296352, 7870440, 10493920, 15740880, 31481760]

約数ペア:

[(1, 31481760), (2, 15740880), (3, 10493920), (4, 7870440), (5, 6296352), (6, 5246960), (8, 3935220), (10, 3148176), (12, 2623480), (15, 2098784), (16, 1967610), (20, 1574088), (24, 1311740), (30, 1049392), (32, 983805), (40, 787044), (48, 655870), (60, 524696), (80, 393522), (96, 327935), (120, 262348), (160, 196761), (240, 131174), (480, 65587)]