87720408

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7963}}^1$

素因数の和:7998

約数の個数: 80

約数和(自身を含む): 260183880

約数和(自身を除く): 172463472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 306, 324, 408, 459, 612, 648, 918, 1224, 1377, 1836, 2754, 3672, 5508, 7963, 11016, 15926, 23889, 31852, 47778, 63704, 71667, 95556, 135371, 143334, 191112, 215001, 270742, 286668, 406113, 430002, 541484, 573336, 645003, 812226, 860004, 1082968, 1218339, 1290006, 1624452, 1720008, 2436678, 2580012, 3248904, 3655017, 4873356, 5160024, 7310034, 9746712, 10965051, 14620068, 21930102, 29240136, 43860204, 87720408]

約数ペア:

[(1, 87720408), (2, 43860204), (3, 29240136), (4, 21930102), (6, 14620068), (8, 10965051), (9, 9746712), (12, 7310034), (17, 5160024), (18, 4873356), (24, 3655017), (27, 3248904), (34, 2580012), (36, 2436678), (51, 1720008), (54, 1624452), (68, 1290006), (72, 1218339), (81, 1082968), (102, 860004), (108, 812226), (136, 645003), (153, 573336), (162, 541484), (204, 430002), (216, 406113), (306, 286668), (324, 270742), (408, 215001), (459, 191112), (612, 143334), (648, 135371), (918, 95556), (1224, 71667), (1377, 63704), (1836, 47778), (2754, 31852), (3672, 23889), (5508, 15926), (7963, 11016)]