2639340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 9225216

約数和(自身を除く): 6585876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 43, 44, 45, 55, 60, 62, 66, 86, 90, 93, 99, 110, 124, 129, 132, 155, 165, 172, 180, 186, 198, 215, 220, 258, 279, 310, 330, 341, 372, 387, 396, 430, 465, 473, 495, 516, 558, 620, 645, 660, 682, 774, 860, 930, 946, 990, 1023, 1116, 1290, 1333, 1364, 1395, 1419, 1548, 1705, 1860, 1892, 1935, 1980, 2046, 2365, 2580, 2666, 2790, 2838, 3069, 3410, 3870, 3999, 4092, 4257, 4730, 5115, 5332, 5580, 5676, 6138, 6665, 6820, 7095, 7740, 7998, 8514, 9460, 10230, 11997, 12276, 13330, 14190, 14663, 15345, 15996, 17028, 19995, 20460, 21285, 23994, 26660, 28380, 29326, 30690, 39990, 42570, 43989, 47988, 58652, 59985, 61380, 73315, 79980, 85140, 87978, 119970, 131967, 146630, 175956, 219945, 239940, 263934, 293260, 439890, 527868, 659835, 879780, 1319670, 2639340]

約数ペア:

[(1, 2639340), (2, 1319670), (3, 879780), (4, 659835), (5, 527868), (6, 439890), (9, 293260), (10, 263934), (11, 239940), (12, 219945), (15, 175956), (18, 146630), (20, 131967), (22, 119970), (30, 87978), (31, 85140), (33, 79980), (36, 73315), (43, 61380), (44, 59985), (45, 58652), (55, 47988), (60, 43989), (62, 42570), (66, 39990), (86, 30690), (90, 29326), (93, 28380), (99, 26660), (110, 23994), (124, 21285), (129, 20460), (132, 19995), (155, 17028), (165, 15996), (172, 15345), (180, 14663), (186, 14190), (198, 13330), (215, 12276), (220, 11997), (258, 10230), (279, 9460), (310, 8514), (330, 7998), (341, 7740), (372, 7095), (387, 6820), (396, 6665), (430, 6138), (465, 5676), (473, 5580), (495, 5332), (516, 5115), (558, 4730), (620, 4257), (645, 4092), (660, 3999), (682, 3870), (774, 3410), (860, 3069), (930, 2838), (946, 2790), (990, 2666), (1023, 2580), (1116, 2365), (1290, 2046), (1333, 1980), (1364, 1935), (1395, 1892), (1419, 1860), (1548, 1705)]