216514980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9941}}^1$

素因数の和:9978

約数の個数: 108

約数和(自身を含む): 721968156

約数和(自身を除く): 505453176

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 9941, 10890, 19882, 21780, 29823, 39764, 49705, 59646, 89469, 99410, 109351, 119292, 149115, 178938, 198820, 218702, 298230, 328053, 357876, 437404, 447345, 546755, 596460, 656106, 894690, 984159, 1093510, 1202861, 1312212, 1640265, 1789380, 1968318, 2187020, 2405722, 3280530, 3608583, 3936636, 4811444, 4920795, 6014305, 6561060, 7217166, 9841590, 10825749, 12028610, 14434332, 18042915, 19683180, 21651498, 24057220, 36085830, 43302996, 54128745, 72171660, 108257490, 216514980]

約数ペア:

[(1, 216514980), (2, 108257490), (3, 72171660), (4, 54128745), (5, 43302996), (6, 36085830), (9, 24057220), (10, 21651498), (11, 19683180), (12, 18042915), (15, 14434332), (18, 12028610), (20, 10825749), (22, 9841590), (30, 7217166), (33, 6561060), (36, 6014305), (44, 4920795), (45, 4811444), (55, 3936636), (60, 3608583), (66, 3280530), (90, 2405722), (99, 2187020), (110, 1968318), (121, 1789380), (132, 1640265), (165, 1312212), (180, 1202861), (198, 1093510), (220, 984159), (242, 894690), (330, 656106), (363, 596460), (396, 546755), (484, 447345), (495, 437404), (605, 357876), (660, 328053), (726, 298230), (990, 218702), (1089, 198820), (1210, 178938), (1452, 149115), (1815, 119292), (1980, 109351), (2178, 99410), (2420, 89469), (3630, 59646), (4356, 49705), (5445, 39764), (7260, 29823), (9941, 21780), (10890, 19882)]