31107780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5237}}^1$

素因数の和:5266

約数の個数: 96

約数和(自身を含む): 105598080

約数和(自身を除く): 74490300

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, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 5237, 5940, 10474, 15711, 20948, 26185, 31422, 47133, 52370, 57607, 62844, 78555, 94266, 104740, 115214, 141399, 157110, 172821, 188532, 230428, 235665, 282798, 288035, 314220, 345642, 471330, 518463, 565596, 576070, 691284, 706995, 864105, 942660, 1036926, 1152140, 1413990, 1555389, 1728210, 2073852, 2592315, 2827980, 3110778, 3456420, 5184630, 6221556, 7776945, 10369260, 15553890, 31107780]

約数ペア:

[(1, 31107780), (2, 15553890), (3, 10369260), (4, 7776945), (5, 6221556), (6, 5184630), (9, 3456420), (10, 3110778), (11, 2827980), (12, 2592315), (15, 2073852), (18, 1728210), (20, 1555389), (22, 1413990), (27, 1152140), (30, 1036926), (33, 942660), (36, 864105), (44, 706995), (45, 691284), (54, 576070), (55, 565596), (60, 518463), (66, 471330), (90, 345642), (99, 314220), (108, 288035), (110, 282798), (132, 235665), (135, 230428), (165, 188532), (180, 172821), (198, 157110), (220, 141399), (270, 115214), (297, 104740), (330, 94266), (396, 78555), (495, 62844), (540, 57607), (594, 52370), (660, 47133), (990, 31422), (1188, 26185), (1485, 20948), (1980, 15711), (2970, 10474), (5237, 5940)]