68178320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{577}}^1$

素因数の和:808

約数の個数: 80

約数和(自身を含む): 182333568

約数和(自身を除く): 114155248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 560, 577, 844, 1055, 1154, 1477, 1688, 2110, 2308, 2885, 2954, 3376, 4039, 4220, 4616, 5770, 5908, 7385, 8078, 8440, 9232, 11540, 11816, 14770, 16156, 16880, 20195, 23080, 23632, 29540, 32312, 40390, 46160, 59080, 64624, 80780, 118160, 121747, 161560, 243494, 323120, 486988, 608735, 852229, 973976, 1217470, 1704458, 1947952, 2434940, 3408916, 4261145, 4869880, 6817832, 8522290, 9739760, 13635664, 17044580, 34089160, 68178320]

約数ペア:

[(1, 68178320), (2, 34089160), (4, 17044580), (5, 13635664), (7, 9739760), (8, 8522290), (10, 6817832), (14, 4869880), (16, 4261145), (20, 3408916), (28, 2434940), (35, 1947952), (40, 1704458), (56, 1217470), (70, 973976), (80, 852229), (112, 608735), (140, 486988), (211, 323120), (280, 243494), (422, 161560), (560, 121747), (577, 118160), (844, 80780), (1055, 64624), (1154, 59080), (1477, 46160), (1688, 40390), (2110, 32312), (2308, 29540), (2885, 23632), (2954, 23080), (3376, 20195), (4039, 16880), (4220, 16156), (4616, 14770), (5770, 11816), (5908, 11540), (7385, 9232), (8078, 8440)]