156968021960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2320639}}^1$

素因数の和:2320758

約数の個数: 64

約数和(自身を含む): 375943680000

約数和(自身を除く): 218975658040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1691, 1780, 3382, 3560, 6764, 8455, 13528, 16910, 33820, 67640, 2320639, 4641278, 9282556, 11603195, 18565112, 23206390, 44092141, 46412780, 88184282, 92825560, 176368564, 206536871, 220460705, 352737128, 413073742, 440921410, 826147484, 881842820, 1032684355, 1652294968, 1763685640, 2065368710, 3924200549, 4130737420, 7848401098, 8261474840, 15696802196, 19621002745, 31393604392, 39242005490, 78484010980, 156968021960]

約数ペア:

[(1, 156968021960), (2, 78484010980), (4, 39242005490), (5, 31393604392), (8, 19621002745), (10, 15696802196), (19, 8261474840), (20, 7848401098), (38, 4130737420), (40, 3924200549), (76, 2065368710), (89, 1763685640), (95, 1652294968), (152, 1032684355), (178, 881842820), (190, 826147484), (356, 440921410), (380, 413073742), (445, 352737128), (712, 220460705), (760, 206536871), (890, 176368564), (1691, 92825560), (1780, 88184282), (3382, 46412780), (3560, 44092141), (6764, 23206390), (8455, 18565112), (13528, 11603195), (16910, 9282556), (33820, 4641278), (67640, 2320639)]