27718720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 112

約数和(自身を含む): 71688960

約数和(自身を除く): 43970240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 97, 152, 160, 188, 190, 194, 235, 304, 320, 376, 380, 388, 470, 485, 608, 752, 760, 776, 893, 940, 970, 1216, 1504, 1520, 1552, 1786, 1843, 1880, 1940, 3008, 3040, 3104, 3572, 3686, 3760, 3880, 4465, 4559, 6080, 6208, 7144, 7372, 7520, 7760, 8930, 9118, 9215, 14288, 14744, 15040, 15520, 17860, 18236, 18430, 22795, 28576, 29488, 31040, 35720, 36472, 36860, 45590, 57152, 58976, 71440, 72944, 73720, 86621, 91180, 117952, 142880, 145888, 147440, 173242, 182360, 285760, 291776, 294880, 346484, 364720, 433105, 589760, 692968, 729440, 866210, 1385936, 1458880, 1732420, 2771872, 3464840, 5543744, 6929680, 13859360, 27718720]

約数ペア:

[(1, 27718720), (2, 13859360), (4, 6929680), (5, 5543744), (8, 3464840), (10, 2771872), (16, 1732420), (19, 1458880), (20, 1385936), (32, 866210), (38, 729440), (40, 692968), (47, 589760), (64, 433105), (76, 364720), (80, 346484), (94, 294880), (95, 291776), (97, 285760), (152, 182360), (160, 173242), (188, 147440), (190, 145888), (194, 142880), (235, 117952), (304, 91180), (320, 86621), (376, 73720), (380, 72944), (388, 71440), (470, 58976), (485, 57152), (608, 45590), (752, 36860), (760, 36472), (776, 35720), (893, 31040), (940, 29488), (970, 28576), (1216, 22795), (1504, 18430), (1520, 18236), (1552, 17860), (1786, 15520), (1843, 15040), (1880, 14744), (1940, 14288), (3008, 9215), (3040, 9118), (3104, 8930), (3572, 7760), (3686, 7520), (3760, 7372), (3880, 7144), (4465, 6208), (4559, 6080)]