78911320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1153}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 186948000

約数和(自身を除く): 108036680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 472, 580, 590, 1153, 1160, 1180, 1711, 2306, 2360, 3422, 4612, 5765, 6844, 8555, 9224, 11530, 13688, 17110, 23060, 33437, 34220, 46120, 66874, 68027, 68440, 133748, 136054, 167185, 267496, 272108, 334370, 340135, 544216, 668740, 680270, 1337480, 1360540, 1972783, 2721080, 3945566, 7891132, 9863915, 15782264, 19727830, 39455660, 78911320]

約数ペア:

[(1, 78911320), (2, 39455660), (4, 19727830), (5, 15782264), (8, 9863915), (10, 7891132), (20, 3945566), (29, 2721080), (40, 1972783), (58, 1360540), (59, 1337480), (116, 680270), (118, 668740), (145, 544216), (232, 340135), (236, 334370), (290, 272108), (295, 267496), (472, 167185), (580, 136054), (590, 133748), (1153, 68440), (1160, 68027), (1180, 66874), (1711, 46120), (2306, 34220), (2360, 33437), (3422, 23060), (4612, 17110), (5765, 13688), (6844, 11530), (8555, 9224)]