261432240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1777}}^1$

素因数の和:2406

約数の個数: 80

約数和(自身を含む): 812218848

約数和(自身を除く): 550786608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 613, 1226, 1777, 1839, 2452, 3065, 3554, 3678, 4904, 5331, 6130, 7108, 7356, 8885, 9195, 9808, 10662, 12260, 14216, 14712, 17770, 18390, 21324, 24520, 26655, 28432, 29424, 35540, 36780, 42648, 49040, 53310, 71080, 73560, 85296, 106620, 142160, 147120, 213240, 426480, 1089301, 2178602, 3267903, 4357204, 5446505, 6535806, 8714408, 10893010, 13071612, 16339515, 17428816, 21786020, 26143224, 32679030, 43572040, 52286448, 65358060, 87144080, 130716120, 261432240]

約数ペア:

[(1, 261432240), (2, 130716120), (3, 87144080), (4, 65358060), (5, 52286448), (6, 43572040), (8, 32679030), (10, 26143224), (12, 21786020), (15, 17428816), (16, 16339515), (20, 13071612), (24, 10893010), (30, 8714408), (40, 6535806), (48, 5446505), (60, 4357204), (80, 3267903), (120, 2178602), (240, 1089301), (613, 426480), (1226, 213240), (1777, 147120), (1839, 142160), (2452, 106620), (3065, 85296), (3554, 73560), (3678, 71080), (4904, 53310), (5331, 49040), (6130, 42648), (7108, 36780), (7356, 35540), (8885, 29424), (9195, 28432), (9808, 26655), (10662, 24520), (12260, 21324), (14216, 18390), (14712, 17770)]