261817380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4007}}^1$

素因数の和:4047

約数の個数: 144

約数和(自身を含む): 895547520

約数和(自身を除く): 633730140

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, 484, 495, 540, 594, 605, 660, 726, 990, 1089, 1188, 1210, 1452, 1485, 1815, 1980, 2178, 2420, 2970, 3267, 3630, 4007, 4356, 5445, 5940, 6534, 7260, 8014, 10890, 12021, 13068, 16028, 16335, 20035, 21780, 24042, 32670, 36063, 40070, 44077, 48084, 60105, 65340, 72126, 80140, 88154, 108189, 120210, 132231, 144252, 176308, 180315, 216378, 220385, 240420, 264462, 360630, 396693, 432756, 440770, 484847, 528924, 540945, 661155, 721260, 793386, 881540, 969694, 1081890, 1190079, 1322310, 1454541, 1586772, 1939388, 1983465, 2163780, 2380158, 2424235, 2644620, 2909082, 3966930, 4363623, 4760316, 4848470, 5818164, 5950395, 7272705, 7933860, 8727246, 9696940, 11900790, 13090869, 14545410, 17454492, 21818115, 23801580, 26181738, 29090820, 43636230, 52363476, 65454345, 87272460, 130908690, 261817380]

約数ペア:

[(1, 261817380), (2, 130908690), (3, 87272460), (4, 65454345), (5, 52363476), (6, 43636230), (9, 29090820), (10, 26181738), (11, 23801580), (12, 21818115), (15, 17454492), (18, 14545410), (20, 13090869), (22, 11900790), (27, 9696940), (30, 8727246), (33, 7933860), (36, 7272705), (44, 5950395), (45, 5818164), (54, 4848470), (55, 4760316), (60, 4363623), (66, 3966930), (90, 2909082), (99, 2644620), (108, 2424235), (110, 2380158), (121, 2163780), (132, 1983465), (135, 1939388), (165, 1586772), (180, 1454541), (198, 1322310), (220, 1190079), (242, 1081890), (270, 969694), (297, 881540), (330, 793386), (363, 721260), (396, 661155), (484, 540945), (495, 528924), (540, 484847), (594, 440770), (605, 432756), (660, 396693), (726, 360630), (990, 264462), (1089, 240420), (1188, 220385), (1210, 216378), (1452, 180315), (1485, 176308), (1815, 144252), (1980, 132231), (2178, 120210), (2420, 108189), (2970, 88154), (3267, 80140), (3630, 72126), (4007, 65340), (4356, 60105), (5445, 48084), (5940, 44077), (6534, 40070), (7260, 36063), (8014, 32670), (10890, 24042), (12021, 21780), (13068, 20035), (16028, 16335)]