78940960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{10069}}^1$

素因数の和:10098

約数の個数: 72

約数和(自身を含む): 216968220

約数和(自身を除く): 138027260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 10069, 20138, 40276, 50345, 70483, 80552, 100690, 140966, 161104, 201380, 281932, 322208, 352415, 402760, 493381, 563864, 704830, 805520, 986762, 1127728, 1409660, 1611040, 1973524, 2255456, 2466905, 2819320, 3947048, 4933810, 5638640, 7894096, 9867620, 11277280, 15788192, 19735240, 39470480, 78940960]

約数ペア:

[(1, 78940960), (2, 39470480), (4, 19735240), (5, 15788192), (7, 11277280), (8, 9867620), (10, 7894096), (14, 5638640), (16, 4933810), (20, 3947048), (28, 2819320), (32, 2466905), (35, 2255456), (40, 1973524), (49, 1611040), (56, 1409660), (70, 1127728), (80, 986762), (98, 805520), (112, 704830), (140, 563864), (160, 493381), (196, 402760), (224, 352415), (245, 322208), (280, 281932), (392, 201380), (490, 161104), (560, 140966), (784, 100690), (980, 80552), (1120, 70483), (1568, 50345), (1960, 40276), (3920, 20138), (7840, 10069)]