31811550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 83566080

約数和(自身を除く): 51754530

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 71, 75, 87, 103, 142, 145, 150, 174, 206, 213, 290, 309, 355, 426, 435, 515, 618, 710, 725, 870, 1030, 1065, 1450, 1545, 1775, 2059, 2130, 2175, 2575, 2987, 3090, 3550, 4118, 4350, 5150, 5325, 5974, 6177, 7313, 7725, 8961, 10295, 10650, 12354, 14626, 14935, 15450, 17922, 20590, 21939, 29870, 30885, 36565, 43878, 44805, 51475, 61770, 73130, 74675, 89610, 102950, 109695, 149350, 154425, 182825, 212077, 219390, 224025, 308850, 365650, 424154, 448050, 548475, 636231, 1060385, 1096950, 1272462, 2120770, 3181155, 5301925, 6362310, 10603850, 15905775, 31811550]

約数ペア:

[(1, 31811550), (2, 15905775), (3, 10603850), (5, 6362310), (6, 5301925), (10, 3181155), (15, 2120770), (25, 1272462), (29, 1096950), (30, 1060385), (50, 636231), (58, 548475), (71, 448050), (75, 424154), (87, 365650), (103, 308850), (142, 224025), (145, 219390), (150, 212077), (174, 182825), (206, 154425), (213, 149350), (290, 109695), (309, 102950), (355, 89610), (426, 74675), (435, 73130), (515, 61770), (618, 51475), (710, 44805), (725, 43878), (870, 36565), (1030, 30885), (1065, 29870), (1450, 21939), (1545, 20590), (1775, 17922), (2059, 15450), (2130, 14935), (2175, 14626), (2575, 12354), (2987, 10650), (3090, 10295), (3550, 8961), (4118, 7725), (4350, 7313), (5150, 6177), (5325, 5974)]