131503240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 334601280

約数和(自身を除く): 203098040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 311, 341, 440, 620, 622, 682, 961, 1240, 1244, 1364, 1555, 1705, 1922, 2488, 2728, 3110, 3410, 3421, 3844, 4805, 6220, 6820, 6842, 7688, 9610, 9641, 10571, 12440, 13640, 13684, 17105, 19220, 19282, 21142, 27368, 34210, 38440, 38564, 42284, 48205, 52855, 68420, 77128, 84568, 96410, 105710, 106051, 136840, 192820, 211420, 212102, 298871, 385640, 422840, 424204, 530255, 597742, 848408, 1060510, 1195484, 1494355, 2121020, 2390968, 2988710, 3287581, 4242040, 5977420, 6575162, 11954840, 13150324, 16437905, 26300648, 32875810, 65751620, 131503240]

約数ペア:

[(1, 131503240), (2, 65751620), (4, 32875810), (5, 26300648), (8, 16437905), (10, 13150324), (11, 11954840), (20, 6575162), (22, 5977420), (31, 4242040), (40, 3287581), (44, 2988710), (55, 2390968), (62, 2121020), (88, 1494355), (110, 1195484), (124, 1060510), (155, 848408), (220, 597742), (248, 530255), (310, 424204), (311, 422840), (341, 385640), (440, 298871), (620, 212102), (622, 211420), (682, 192820), (961, 136840), (1240, 106051), (1244, 105710), (1364, 96410), (1555, 84568), (1705, 77128), (1922, 68420), (2488, 52855), (2728, 48205), (3110, 42284), (3410, 38564), (3421, 38440), (3844, 34210), (4805, 27368), (6220, 21142), (6820, 19282), (6842, 19220), (7688, 17105), (9610, 13684), (9641, 13640), (10571, 12440)]