127587780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1637}}^1$

素因数の和:2085

約数の個数: 72

約数和(自身を含む): 388147032

約数和(自身を除く): 260559252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 433, 866, 1299, 1637, 1732, 2165, 2598, 3274, 3897, 4330, 4911, 5196, 6495, 6548, 7794, 8185, 8660, 9822, 12990, 14733, 15588, 16370, 19485, 19644, 24555, 25980, 29466, 32740, 38970, 49110, 58932, 73665, 77940, 98220, 147330, 294660, 708821, 1417642, 2126463, 2835284, 3544105, 4252926, 6379389, 7088210, 8505852, 10632315, 12758778, 14176420, 21264630, 25517556, 31896945, 42529260, 63793890, 127587780]

約数ペア:

[(1, 127587780), (2, 63793890), (3, 42529260), (4, 31896945), (5, 25517556), (6, 21264630), (9, 14176420), (10, 12758778), (12, 10632315), (15, 8505852), (18, 7088210), (20, 6379389), (30, 4252926), (36, 3544105), (45, 2835284), (60, 2126463), (90, 1417642), (180, 708821), (433, 294660), (866, 147330), (1299, 98220), (1637, 77940), (1732, 73665), (2165, 58932), (2598, 49110), (3274, 38970), (3897, 32740), (4330, 29466), (4911, 25980), (5196, 24555), (6495, 19644), (6548, 19485), (7794, 16370), (8185, 15588), (8660, 14733), (9822, 12990)]