2780780580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3607}}^1\times {\mathrm{4283}}^1$

素因数の和:7905

約数の個数: 72

約数和(自身を含む): 8439342912

約数和(自身を除く): 5658562332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3607, 4283, 7214, 8566, 10821, 12849, 14428, 17132, 18035, 21415, 21642, 25698, 32463, 36070, 38547, 42830, 43284, 51396, 54105, 64245, 64926, 72140, 77094, 85660, 108210, 128490, 129852, 154188, 162315, 192735, 216420, 256980, 324630, 385470, 649260, 770940, 15448781, 30897562, 46346343, 61795124, 77243905, 92692686, 139039029, 154487810, 185385372, 231731715, 278078058, 308975620, 463463430, 556156116, 695195145, 926926860, 1390390290, 2780780580]

約数ペア:

[(1, 2780780580), (2, 1390390290), (3, 926926860), (4, 695195145), (5, 556156116), (6, 463463430), (9, 308975620), (10, 278078058), (12, 231731715), (15, 185385372), (18, 154487810), (20, 139039029), (30, 92692686), (36, 77243905), (45, 61795124), (60, 46346343), (90, 30897562), (180, 15448781), (3607, 770940), (4283, 649260), (7214, 385470), (8566, 324630), (10821, 256980), (12849, 216420), (14428, 192735), (17132, 162315), (18035, 154188), (21415, 129852), (21642, 128490), (25698, 108210), (32463, 85660), (36070, 77094), (38547, 72140), (42830, 64926), (43284, 64245), (51396, 54105)]