212405490

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:830

約数の個数: 160

約数和(自身を含む): 643991040

約数和(自身を除く): 431585550

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 81, 90, 93, 99, 110, 135, 155, 162, 165, 186, 198, 270, 279, 297, 310, 330, 341, 405, 465, 495, 558, 594, 682, 769, 810, 837, 891, 930, 990, 1023, 1395, 1485, 1538, 1674, 1705, 1782, 2046, 2307, 2511, 2790, 2970, 3069, 3410, 3845, 4185, 4455, 4614, 5022, 5115, 6138, 6921, 7690, 8370, 8459, 8910, 9207, 10230, 11535, 12555, 13842, 15345, 16918, 18414, 20763, 23070, 23839, 25110, 25377, 27621, 30690, 34605, 41526, 42295, 46035, 47678, 50754, 55242, 62289, 69210, 71517, 76131, 84590, 92070, 103815, 119195, 124578, 126885, 138105, 143034, 152262, 207630, 214551, 228393, 238390, 253770, 262229, 276210, 311445, 357585, 380655, 429102, 456786, 524458, 622890, 643653, 685179, 715170, 761310, 786687, 1072755, 1141965, 1287306, 1311145, 1370358, 1573374, 1930959, 2145510, 2283930, 2360061, 2622290, 3218265, 3425895, 3861918, 3933435, 4720122, 6436530, 6851790, 7080183, 7866870, 9654795, 11800305, 14160366, 19309590, 21240549, 23600610, 35400915, 42481098, 70801830, 106202745, 212405490]

約数ペア:

[(1, 212405490), (2, 106202745), (3, 70801830), (5, 42481098), (6, 35400915), (9, 23600610), (10, 21240549), (11, 19309590), (15, 14160366), (18, 11800305), (22, 9654795), (27, 7866870), (30, 7080183), (31, 6851790), (33, 6436530), (45, 4720122), (54, 3933435), (55, 3861918), (62, 3425895), (66, 3218265), (81, 2622290), (90, 2360061), (93, 2283930), (99, 2145510), (110, 1930959), (135, 1573374), (155, 1370358), (162, 1311145), (165, 1287306), (186, 1141965), (198, 1072755), (270, 786687), (279, 761310), (297, 715170), (310, 685179), (330, 643653), (341, 622890), (405, 524458), (465, 456786), (495, 429102), (558, 380655), (594, 357585), (682, 311445), (769, 276210), (810, 262229), (837, 253770), (891, 238390), (930, 228393), (990, 214551), (1023, 207630), (1395, 152262), (1485, 143034), (1538, 138105), (1674, 126885), (1705, 124578), (1782, 119195), (2046, 103815), (2307, 92070), (2511, 84590), (2790, 76131), (2970, 71517), (3069, 69210), (3410, 62289), (3845, 55242), (4185, 50754), (4455, 47678), (4614, 46035), (5022, 42295), (5115, 41526), (6138, 34605), (6921, 30690), (7690, 27621), (8370, 25377), (8459, 25110), (8910, 23839), (9207, 23070), (10230, 20763), (11535, 18414), (12555, 16918), (13842, 15345)]