2021145660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{43691}}^1$

素因数の和:43963

約数の個数: 72

約数和(自身を含む): 6154804656

約数和(自身を除く): 4133658996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 4626, 5140, 7710, 9252, 11565, 15420, 23130, 43691, 46260, 87382, 131073, 174764, 218455, 262146, 393219, 436910, 524292, 655365, 786438, 873820, 1310730, 1572876, 1966095, 2621460, 3932190, 7864380, 11228587, 22457174, 33685761, 44914348, 56142935, 67371522, 101057283, 112285870, 134743044, 168428805, 202114566, 224571740, 336857610, 404229132, 505286415, 673715220, 1010572830, 2021145660]

約数ペア:

[(1, 2021145660), (2, 1010572830), (3, 673715220), (4, 505286415), (5, 404229132), (6, 336857610), (9, 224571740), (10, 202114566), (12, 168428805), (15, 134743044), (18, 112285870), (20, 101057283), (30, 67371522), (36, 56142935), (45, 44914348), (60, 33685761), (90, 22457174), (180, 11228587), (257, 7864380), (514, 3932190), (771, 2621460), (1028, 1966095), (1285, 1572876), (1542, 1310730), (2313, 873820), (2570, 786438), (3084, 655365), (3855, 524292), (4626, 436910), (5140, 393219), (7710, 262146), (9252, 218455), (11565, 174764), (15420, 131073), (23130, 87382), (43691, 46260)]