64986740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5101}}^1$

素因数の和:5137

約数の個数: 72

約数和(自身を含む): 170998632

約数和(自身を除く): 106011892

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 5101, 6370, 10202, 12740, 20404, 25505, 35707, 51010, 66313, 71414, 102020, 132626, 142828, 178535, 249949, 265252, 331565, 357070, 464191, 499898, 663130, 714140, 928382, 999796, 1249745, 1326260, 1856764, 2320955, 2499490, 3249337, 4641910, 4998980, 6498674, 9283820, 12997348, 16246685, 32493370, 64986740]

約数ペア:

[(1, 64986740), (2, 32493370), (4, 16246685), (5, 12997348), (7, 9283820), (10, 6498674), (13, 4998980), (14, 4641910), (20, 3249337), (26, 2499490), (28, 2320955), (35, 1856764), (49, 1326260), (52, 1249745), (65, 999796), (70, 928382), (91, 714140), (98, 663130), (130, 499898), (140, 464191), (182, 357070), (196, 331565), (245, 265252), (260, 249949), (364, 178535), (455, 142828), (490, 132626), (637, 102020), (910, 71414), (980, 66313), (1274, 51010), (1820, 35707), (2548, 25505), (3185, 20404), (5101, 12740), (6370, 10202)]