64660480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 88

約数和(自身を含む): 158143032

約数和(自身を除く): 93482552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 173, 256, 292, 320, 346, 365, 512, 584, 640, 692, 730, 865, 1024, 1168, 1280, 1384, 1460, 1730, 2336, 2560, 2768, 2920, 3460, 4672, 5120, 5536, 5840, 6920, 9344, 11072, 11680, 12629, 13840, 18688, 22144, 23360, 25258, 27680, 37376, 44288, 46720, 50516, 55360, 63145, 74752, 88576, 93440, 101032, 110720, 126290, 177152, 186880, 202064, 221440, 252580, 373760, 404128, 442880, 505160, 808256, 885760, 1010320, 1616512, 2020640, 3233024, 4041280, 6466048, 8082560, 12932096, 16165120, 32330240, 64660480]

約数ペア:

[(1, 64660480), (2, 32330240), (4, 16165120), (5, 12932096), (8, 8082560), (10, 6466048), (16, 4041280), (20, 3233024), (32, 2020640), (40, 1616512), (64, 1010320), (73, 885760), (80, 808256), (128, 505160), (146, 442880), (160, 404128), (173, 373760), (256, 252580), (292, 221440), (320, 202064), (346, 186880), (365, 177152), (512, 126290), (584, 110720), (640, 101032), (692, 93440), (730, 88576), (865, 74752), (1024, 63145), (1168, 55360), (1280, 50516), (1384, 46720), (1460, 44288), (1730, 37376), (2336, 27680), (2560, 25258), (2768, 23360), (2920, 22144), (3460, 18688), (4672, 13840), (5120, 12629), (5536, 11680), (5840, 11072), (6920, 9344)]