84991260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{281}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 242233488

約数和(自身を除く): 157242228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 281, 284, 355, 426, 562, 710, 843, 852, 1065, 1124, 1405, 1420, 1686, 2130, 2810, 3372, 4215, 4260, 5041, 5620, 8430, 10082, 15123, 16860, 19951, 20164, 25205, 30246, 39902, 50410, 59853, 60492, 75615, 79804, 99755, 100820, 119706, 151230, 199510, 239412, 299265, 302460, 399020, 598530, 1197060, 1416521, 2833042, 4249563, 5666084, 7082605, 8499126, 14165210, 16998252, 21247815, 28330420, 42495630, 84991260]

約数ペア:

[(1, 84991260), (2, 42495630), (3, 28330420), (4, 21247815), (5, 16998252), (6, 14165210), (10, 8499126), (12, 7082605), (15, 5666084), (20, 4249563), (30, 2833042), (60, 1416521), (71, 1197060), (142, 598530), (213, 399020), (281, 302460), (284, 299265), (355, 239412), (426, 199510), (562, 151230), (710, 119706), (843, 100820), (852, 99755), (1065, 79804), (1124, 75615), (1405, 60492), (1420, 59853), (1686, 50410), (2130, 39902), (2810, 30246), (3372, 25205), (4215, 20164), (4260, 19951), (5041, 16860), (5620, 15123), (8430, 10082)]