66989040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{279121}}^1$

素因数の和:279137

約数の個数: 40

約数和(自身を含む): 207666768

約数和(自身を除く): 140677728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 279121, 558242, 837363, 1116484, 1395605, 1674726, 2232968, 2791210, 3349452, 4186815, 4465936, 5582420, 6698904, 8373630, 11164840, 13397808, 16747260, 22329680, 33494520, 66989040]

約数ペア:

[(1, 66989040), (2, 33494520), (3, 22329680), (4, 16747260), (5, 13397808), (6, 11164840), (8, 8373630), (10, 6698904), (12, 5582420), (15, 4465936), (16, 4186815), (20, 3349452), (24, 2791210), (30, 2232968), (40, 1674726), (48, 1395605), (60, 1116484), (80, 837363), (120, 558242), (240, 279121)]