72699760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 194844672

約数和(自身を除く): 122144912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 991, 1048, 1310, 1834, 1982, 2096, 2620, 3668, 3964, 4585, 4955, 5240, 6937, 7336, 7928, 9170, 9910, 10480, 13874, 14672, 15856, 18340, 19820, 27748, 34685, 36680, 39640, 55496, 69370, 73360, 79280, 110992, 129821, 138740, 259642, 277480, 519284, 554960, 649105, 908747, 1038568, 1298210, 1817494, 2077136, 2596420, 3634988, 4543735, 5192840, 7269976, 9087470, 10385680, 14539952, 18174940, 36349880, 72699760]

約数ペア:

[(1, 72699760), (2, 36349880), (4, 18174940), (5, 14539952), (7, 10385680), (8, 9087470), (10, 7269976), (14, 5192840), (16, 4543735), (20, 3634988), (28, 2596420), (35, 2077136), (40, 1817494), (56, 1298210), (70, 1038568), (80, 908747), (112, 649105), (131, 554960), (140, 519284), (262, 277480), (280, 259642), (524, 138740), (560, 129821), (655, 110992), (917, 79280), (991, 73360), (1048, 69370), (1310, 55496), (1834, 39640), (1982, 36680), (2096, 34685), (2620, 27748), (3668, 19820), (3964, 18340), (4585, 15856), (4955, 14672), (5240, 13874), (6937, 10480), (7336, 9910), (7928, 9170)]