142777980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3557}}^1$

素因数の和:3795

約数の個数: 72

約数和(自身を含む): 435157632

約数和(自身を除く): 292379652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 3557, 4014, 4460, 6690, 7114, 8028, 10035, 10671, 13380, 14228, 17785, 20070, 21342, 32013, 35570, 40140, 42684, 53355, 64026, 71140, 106710, 128052, 160065, 213420, 320130, 640260, 793211, 1586422, 2379633, 3172844, 3966055, 4759266, 7138899, 7932110, 9518532, 11898165, 14277798, 15864220, 23796330, 28555596, 35694495, 47592660, 71388990, 142777980]

約数ペア:

[(1, 142777980), (2, 71388990), (3, 47592660), (4, 35694495), (5, 28555596), (6, 23796330), (9, 15864220), (10, 14277798), (12, 11898165), (15, 9518532), (18, 7932110), (20, 7138899), (30, 4759266), (36, 3966055), (45, 3172844), (60, 2379633), (90, 1586422), (180, 793211), (223, 640260), (446, 320130), (669, 213420), (892, 160065), (1115, 128052), (1338, 106710), (2007, 71140), (2230, 64026), (2676, 53355), (3345, 42684), (3557, 40140), (4014, 35570), (4460, 32013), (6690, 21342), (7114, 20070), (8028, 17785), (10035, 14228), (10671, 13380)]