83434640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2040

約数の個数: 80

約数和(自身を含む): 212129280

約数和(自身を除く): 128694640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 1979, 2108, 2480, 2635, 3958, 4216, 5270, 7916, 8432, 9895, 10540, 15832, 19790, 21080, 31664, 33643, 39580, 42160, 61349, 67286, 79160, 122698, 134572, 158320, 168215, 245396, 269144, 306745, 336430, 490792, 538288, 613490, 672860, 981584, 1042933, 1226980, 1345720, 2085866, 2453960, 2691440, 4171732, 4907920, 5214665, 8343464, 10429330, 16686928, 20858660, 41717320, 83434640]

約数ペア:

[(1, 83434640), (2, 41717320), (4, 20858660), (5, 16686928), (8, 10429330), (10, 8343464), (16, 5214665), (17, 4907920), (20, 4171732), (31, 2691440), (34, 2453960), (40, 2085866), (62, 1345720), (68, 1226980), (80, 1042933), (85, 981584), (124, 672860), (136, 613490), (155, 538288), (170, 490792), (248, 336430), (272, 306745), (310, 269144), (340, 245396), (496, 168215), (527, 158320), (620, 134572), (680, 122698), (1054, 79160), (1240, 67286), (1360, 61349), (1979, 42160), (2108, 39580), (2480, 33643), (2635, 31664), (3958, 21080), (4216, 19790), (5270, 15832), (7916, 10540), (8432, 9895)]