72690980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3191}}^1$

素因数の和:3284

約数の個数: 48

約数和(自身を含む): 164094336

約数和(自身を除く): 91403356

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 3191, 4556, 5695, 6382, 11390, 12764, 15955, 22780, 31910, 54247, 63820, 108494, 213797, 216988, 271235, 427594, 542470, 855188, 1068985, 1084940, 2137970, 3634549, 4275940, 7269098, 14538196, 18172745, 36345490, 72690980]

約数ペア:

[(1, 72690980), (2, 36345490), (4, 18172745), (5, 14538196), (10, 7269098), (17, 4275940), (20, 3634549), (34, 2137970), (67, 1084940), (68, 1068985), (85, 855188), (134, 542470), (170, 427594), (268, 271235), (335, 216988), (340, 213797), (670, 108494), (1139, 63820), (1340, 54247), (2278, 31910), (3191, 22780), (4556, 15955), (5695, 12764), (6382, 11390)]