289181580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{67883}}^1$

素因数の和:67966

約数の個数: 48

約数和(自身を含む): 821124864

約数和(自身を除く): 531943284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 67883, 135766, 203649, 271532, 339415, 407298, 678830, 814596, 1018245, 1357660, 2036490, 4072980, 4819693, 9639386, 14459079, 19278772, 24098465, 28918158, 48196930, 57836316, 72295395, 96393860, 144590790, 289181580]

約数ペア:

[(1, 289181580), (2, 144590790), (3, 96393860), (4, 72295395), (5, 57836316), (6, 48196930), (10, 28918158), (12, 24098465), (15, 19278772), (20, 14459079), (30, 9639386), (60, 4819693), (71, 4072980), (142, 2036490), (213, 1357660), (284, 1018245), (355, 814596), (426, 678830), (710, 407298), (852, 339415), (1065, 271532), (1420, 203649), (2130, 135766), (4260, 67883)]