31297860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{479}}^1$

素因数の和:519

約数の個数: 144

約数和(自身を含む): 107251200

約数和(自身を除く): 75953340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 330, 363, 396, 479, 484, 495, 540, 594, 605, 660, 726, 958, 990, 1089, 1188, 1210, 1437, 1452, 1485, 1815, 1916, 1980, 2178, 2395, 2420, 2874, 2970, 3267, 3630, 4311, 4356, 4790, 5269, 5445, 5748, 5940, 6534, 7185, 7260, 8622, 9580, 10538, 10890, 12933, 13068, 14370, 15807, 16335, 17244, 21076, 21555, 21780, 25866, 26345, 28740, 31614, 32670, 43110, 47421, 51732, 52690, 57959, 63228, 64665, 65340, 79035, 86220, 94842, 105380, 115918, 129330, 142263, 158070, 173877, 189684, 231836, 237105, 258660, 284526, 289795, 316140, 347754, 474210, 521631, 569052, 579590, 695508, 711315, 869385, 948420, 1043262, 1159180, 1422630, 1564893, 1738770, 2086524, 2608155, 2845260, 3129786, 3477540, 5216310, 6259572, 7824465, 10432620, 15648930, 31297860]

約数ペア:

[(1, 31297860), (2, 15648930), (3, 10432620), (4, 7824465), (5, 6259572), (6, 5216310), (9, 3477540), (10, 3129786), (11, 2845260), (12, 2608155), (15, 2086524), (18, 1738770), (20, 1564893), (22, 1422630), (27, 1159180), (30, 1043262), (33, 948420), (36, 869385), (44, 711315), (45, 695508), (54, 579590), (55, 569052), (60, 521631), (66, 474210), (90, 347754), (99, 316140), (108, 289795), (110, 284526), (121, 258660), (132, 237105), (135, 231836), (165, 189684), (180, 173877), (198, 158070), (220, 142263), (242, 129330), (270, 115918), (297, 105380), (330, 94842), (363, 86220), (396, 79035), (479, 65340), (484, 64665), (495, 63228), (540, 57959), (594, 52690), (605, 51732), (660, 47421), (726, 43110), (958, 32670), (990, 31614), (1089, 28740), (1188, 26345), (1210, 25866), (1437, 21780), (1452, 21555), (1485, 21076), (1815, 17244), (1916, 16335), (1980, 15807), (2178, 14370), (2395, 13068), (2420, 12933), (2874, 10890), (2970, 10538), (3267, 9580), (3630, 8622), (4311, 7260), (4356, 7185), (4790, 6534), (5269, 5940), (5445, 5748)]