2546460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 9225216

約数和(自身を除く): 6678756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 47, 60, 63, 70, 84, 86, 90, 94, 105, 126, 129, 140, 141, 172, 180, 188, 210, 215, 235, 252, 258, 282, 301, 315, 329, 387, 420, 423, 430, 470, 516, 564, 602, 630, 645, 658, 705, 774, 846, 860, 903, 940, 987, 1204, 1260, 1290, 1316, 1410, 1505, 1548, 1645, 1692, 1806, 1935, 1974, 2021, 2115, 2580, 2709, 2820, 2961, 3010, 3290, 3612, 3870, 3948, 4042, 4230, 4515, 4935, 5418, 5922, 6020, 6063, 6580, 7740, 8084, 8460, 9030, 9870, 10105, 10836, 11844, 12126, 13545, 14147, 14805, 18060, 18189, 19740, 20210, 24252, 27090, 28294, 29610, 30315, 36378, 40420, 42441, 54180, 56588, 59220, 60630, 70735, 72756, 84882, 90945, 121260, 127323, 141470, 169764, 181890, 212205, 254646, 282940, 363780, 424410, 509292, 636615, 848820, 1273230, 2546460]

約数ペア:

[(1, 2546460), (2, 1273230), (3, 848820), (4, 636615), (5, 509292), (6, 424410), (7, 363780), (9, 282940), (10, 254646), (12, 212205), (14, 181890), (15, 169764), (18, 141470), (20, 127323), (21, 121260), (28, 90945), (30, 84882), (35, 72756), (36, 70735), (42, 60630), (43, 59220), (45, 56588), (47, 54180), (60, 42441), (63, 40420), (70, 36378), (84, 30315), (86, 29610), (90, 28294), (94, 27090), (105, 24252), (126, 20210), (129, 19740), (140, 18189), (141, 18060), (172, 14805), (180, 14147), (188, 13545), (210, 12126), (215, 11844), (235, 10836), (252, 10105), (258, 9870), (282, 9030), (301, 8460), (315, 8084), (329, 7740), (387, 6580), (420, 6063), (423, 6020), (430, 5922), (470, 5418), (516, 4935), (564, 4515), (602, 4230), (630, 4042), (645, 3948), (658, 3870), (705, 3612), (774, 3290), (846, 3010), (860, 2961), (903, 2820), (940, 2709), (987, 2580), (1204, 2115), (1260, 2021), (1290, 1974), (1316, 1935), (1410, 1806), (1505, 1692), (1548, 1645)]