638493060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{2111}}^1$

素因数の和:2265

約数の個数: 72

約数和(自身を含む): 1814174208

約数和(自身を除く): 1175681148

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, 2111, 2130, 4222, 4260, 5041, 6333, 8444, 10082, 10555, 12666, 15123, 20164, 21110, 25205, 25332, 30246, 31665, 42220, 50410, 60492, 63330, 75615, 100820, 126660, 149881, 151230, 299762, 302460, 449643, 599524, 749405, 899286, 1498810, 1798572, 2248215, 2997620, 4496430, 8992860, 10641551, 21283102, 31924653, 42566204, 53207755, 63849306, 106415510, 127698612, 159623265, 212831020, 319246530, 638493060]

約数ペア:

[(1, 638493060), (2, 319246530), (3, 212831020), (4, 159623265), (5, 127698612), (6, 106415510), (10, 63849306), (12, 53207755), (15, 42566204), (20, 31924653), (30, 21283102), (60, 10641551), (71, 8992860), (142, 4496430), (213, 2997620), (284, 2248215), (355, 1798572), (426, 1498810), (710, 899286), (852, 749405), (1065, 599524), (1420, 449643), (2111, 302460), (2130, 299762), (4222, 151230), (4260, 149881), (5041, 126660), (6333, 100820), (8444, 75615), (10082, 63330), (10555, 60492), (12666, 50410), (15123, 42220), (20164, 31665), (21110, 30246), (25205, 25332)]