161775320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{5113}}^1$

素因数の和:5244

約数の個数: 64

約数和(自身を含む): 419757120

約数和(自身を除く): 257981800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 2260, 3164, 3955, 4520, 5113, 6328, 7910, 10226, 15820, 20452, 25565, 31640, 35791, 40904, 51130, 71582, 102260, 143164, 178955, 204520, 286328, 357910, 577769, 715820, 1155538, 1431640, 2311076, 2888845, 4044383, 4622152, 5777690, 8088766, 11555380, 16177532, 20221915, 23110760, 32355064, 40443830, 80887660, 161775320]

約数ペア:

[(1, 161775320), (2, 80887660), (4, 40443830), (5, 32355064), (7, 23110760), (8, 20221915), (10, 16177532), (14, 11555380), (20, 8088766), (28, 5777690), (35, 4622152), (40, 4044383), (56, 2888845), (70, 2311076), (113, 1431640), (140, 1155538), (226, 715820), (280, 577769), (452, 357910), (565, 286328), (791, 204520), (904, 178955), (1130, 143164), (1582, 102260), (2260, 71582), (3164, 51130), (3955, 40904), (4520, 35791), (5113, 31640), (6328, 25565), (7910, 20452), (10226, 15820)]