31445040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:347

約数の個数: 160

約数和(自身を含む): 109207296

約数和(自身を除く): 77762256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 110, 120, 129, 132, 165, 172, 176, 215, 220, 240, 258, 264, 277, 330, 344, 430, 440, 473, 516, 528, 554, 645, 660, 688, 831, 860, 880, 946, 1032, 1108, 1290, 1320, 1385, 1419, 1662, 1720, 1892, 2064, 2216, 2365, 2580, 2640, 2770, 2838, 3047, 3324, 3440, 3784, 4155, 4432, 4730, 5160, 5540, 5676, 6094, 6648, 7095, 7568, 8310, 9141, 9460, 10320, 11080, 11352, 11911, 12188, 13296, 14190, 15235, 16620, 18282, 18920, 22160, 22704, 23822, 24376, 28380, 30470, 33240, 35733, 36564, 37840, 45705, 47644, 48752, 56760, 59555, 60940, 66480, 71466, 73128, 91410, 95288, 113520, 119110, 121880, 131021, 142932, 146256, 178665, 182820, 190576, 238220, 243760, 262042, 285864, 357330, 365640, 393063, 476440, 524084, 571728, 655105, 714660, 731280, 786126, 952880, 1048168, 1310210, 1429320, 1572252, 1965315, 2096336, 2620420, 2858640, 3144504, 3930630, 5240840, 6289008, 7861260, 10481680, 15722520, 31445040]

約数ペア:

[(1, 31445040), (2, 15722520), (3, 10481680), (4, 7861260), (5, 6289008), (6, 5240840), (8, 3930630), (10, 3144504), (11, 2858640), (12, 2620420), (15, 2096336), (16, 1965315), (20, 1572252), (22, 1429320), (24, 1310210), (30, 1048168), (33, 952880), (40, 786126), (43, 731280), (44, 714660), (48, 655105), (55, 571728), (60, 524084), (66, 476440), (80, 393063), (86, 365640), (88, 357330), (110, 285864), (120, 262042), (129, 243760), (132, 238220), (165, 190576), (172, 182820), (176, 178665), (215, 146256), (220, 142932), (240, 131021), (258, 121880), (264, 119110), (277, 113520), (330, 95288), (344, 91410), (430, 73128), (440, 71466), (473, 66480), (516, 60940), (528, 59555), (554, 56760), (645, 48752), (660, 47644), (688, 45705), (831, 37840), (860, 36564), (880, 35733), (946, 33240), (1032, 30470), (1108, 28380), (1290, 24376), (1320, 23822), (1385, 22704), (1419, 22160), (1662, 18920), (1720, 18282), (1892, 16620), (2064, 15235), (2216, 14190), (2365, 13296), (2580, 12188), (2640, 11911), (2770, 11352), (2838, 11080), (3047, 10320), (3324, 9460), (3440, 9141), (3784, 8310), (4155, 7568), (4432, 7095), (4730, 6648), (5160, 6094), (5540, 5676)]