64530680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 150660000

約数和(自身を除く): 86129320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 424, 488, 499, 530, 610, 998, 1060, 1220, 1996, 2120, 2440, 2495, 3233, 3992, 4990, 6466, 9980, 12932, 16165, 19960, 25864, 26447, 30439, 32330, 52894, 60878, 64660, 105788, 121756, 129320, 132235, 152195, 211576, 243512, 264470, 304390, 528940, 608780, 1057880, 1217560, 1613267, 3226534, 6453068, 8066335, 12906136, 16132670, 32265340, 64530680]

約数ペア:

[(1, 64530680), (2, 32265340), (4, 16132670), (5, 12906136), (8, 8066335), (10, 6453068), (20, 3226534), (40, 1613267), (53, 1217560), (61, 1057880), (106, 608780), (122, 528940), (212, 304390), (244, 264470), (265, 243512), (305, 211576), (424, 152195), (488, 132235), (499, 129320), (530, 121756), (610, 105788), (998, 64660), (1060, 60878), (1220, 52894), (1996, 32330), (2120, 30439), (2440, 26447), (2495, 25864), (3233, 19960), (3992, 16165), (4990, 12932), (6466, 9980)]