1320498470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1253

約数の個数: 64

約数和(自身を含む): 2538086400

約数和(自身を除く): 1217587930

約数列:

[1, 2, 5, 10, 29, 58, 59, 71, 118, 142, 145, 290, 295, 355, 590, 710, 1087, 1711, 2059, 2174, 3422, 4118, 4189, 5435, 8378, 8555, 10295, 10870, 17110, 20590, 20945, 31523, 41890, 63046, 64133, 77177, 121481, 128266, 154354, 157615, 242962, 315230, 320665, 385885, 607405, 641330, 771770, 1214810, 1859857, 2238133, 3719714, 4476266, 4553443, 9106886, 9299285, 11190665, 18598570, 22381330, 22767215, 45534430, 132049847, 264099694, 660249235, 1320498470]

約数ペア:

[(1, 1320498470), (2, 660249235), (5, 264099694), (10, 132049847), (29, 45534430), (58, 22767215), (59, 22381330), (71, 18598570), (118, 11190665), (142, 9299285), (145, 9106886), (290, 4553443), (295, 4476266), (355, 3719714), (590, 2238133), (710, 1859857), (1087, 1214810), (1711, 771770), (2059, 641330), (2174, 607405), (3422, 385885), (4118, 320665), (4189, 315230), (5435, 242962), (8378, 157615), (8555, 154354), (10295, 128266), (10870, 121481), (17110, 77177), (20590, 64133), (20945, 63046), (31523, 41890)]