128801340

素因数分解:

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

素因数の和:150

約数の個数: 120

約数和(自身を含む): 413674800

約数和(自身を除く): 284873460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 516, 540, 645, 774, 810, 860, 1161, 1290, 1548, 1620, 1849, 1935, 2322, 2580, 3483, 3698, 3870, 4644, 5547, 5805, 6966, 7396, 7740, 9245, 11094, 11610, 13932, 16641, 17415, 18490, 22188, 23220, 27735, 33282, 34830, 36980, 49923, 55470, 66564, 69660, 79507, 83205, 99846, 110940, 149769, 159014, 166410, 199692, 238521, 249615, 299538, 318028, 332820, 397535, 477042, 499230, 599076, 715563, 748845, 795070, 954084, 998460, 1192605, 1431126, 1497690, 1590140, 2146689, 2385210, 2862252, 2995380, 3577815, 4293378, 4770420, 6440067, 7155630, 8586756, 10733445, 12880134, 14311260, 21466890, 25760268, 32200335, 42933780, 64400670, 128801340]

約数ペア:

[(1, 128801340), (2, 64400670), (3, 42933780), (4, 32200335), (5, 25760268), (6, 21466890), (9, 14311260), (10, 12880134), (12, 10733445), (15, 8586756), (18, 7155630), (20, 6440067), (27, 4770420), (30, 4293378), (36, 3577815), (43, 2995380), (45, 2862252), (54, 2385210), (60, 2146689), (81, 1590140), (86, 1497690), (90, 1431126), (108, 1192605), (129, 998460), (135, 954084), (162, 795070), (172, 748845), (180, 715563), (215, 599076), (258, 499230), (270, 477042), (324, 397535), (387, 332820), (405, 318028), (430, 299538), (516, 249615), (540, 238521), (645, 199692), (774, 166410), (810, 159014), (860, 149769), (1161, 110940), (1290, 99846), (1548, 83205), (1620, 79507), (1849, 69660), (1935, 66564), (2322, 55470), (2580, 49923), (3483, 36980), (3698, 34830), (3870, 33282), (4644, 27735), (5547, 23220), (5805, 22188), (6966, 18490), (7396, 17415), (7740, 16641), (9245, 13932), (11094, 11610)]