71327920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 177176160

約数和(自身を除く): 105848240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 179, 272, 293, 340, 358, 586, 680, 716, 895, 1172, 1360, 1432, 1465, 1790, 2344, 2864, 2930, 3043, 3580, 4688, 4981, 5860, 6086, 7160, 9962, 11720, 12172, 14320, 15215, 19924, 23440, 24344, 24905, 30430, 39848, 48688, 49810, 52447, 60860, 79696, 99620, 104894, 121720, 199240, 209788, 243440, 262235, 398480, 419576, 524470, 839152, 891599, 1048940, 1783198, 2097880, 3566396, 4195760, 4457995, 7132792, 8915990, 14265584, 17831980, 35663960, 71327920]

約数ペア:

[(1, 71327920), (2, 35663960), (4, 17831980), (5, 14265584), (8, 8915990), (10, 7132792), (16, 4457995), (17, 4195760), (20, 3566396), (34, 2097880), (40, 1783198), (68, 1048940), (80, 891599), (85, 839152), (136, 524470), (170, 419576), (179, 398480), (272, 262235), (293, 243440), (340, 209788), (358, 199240), (586, 121720), (680, 104894), (716, 99620), (895, 79696), (1172, 60860), (1360, 52447), (1432, 49810), (1465, 48688), (1790, 39848), (2344, 30430), (2864, 24905), (2930, 24344), (3043, 23440), (3580, 19924), (4688, 15215), (4981, 14320), (5860, 12172), (6086, 11720), (7160, 9962)]