12977482880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{654107}}^1$

素因数の和:654157

約数の個数: 64

約数和(自身を含む): 32025127680

約数和(自身を除く): 19047644800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 654107, 1308214, 2616428, 3270535, 5232856, 6541070, 10465712, 13082140, 20277317, 20931424, 26164280, 40554634, 41862848, 52328560, 81109268, 83725696, 101386585, 104657120, 162218536, 202773170, 209314240, 324437072, 405546340, 418628480, 648874144, 811092680, 1297748288, 1622185360, 2595496576, 3244370720, 6488741440, 12977482880]

約数ペア:

[(1, 12977482880), (2, 6488741440), (4, 3244370720), (5, 2595496576), (8, 1622185360), (10, 1297748288), (16, 811092680), (20, 648874144), (31, 418628480), (32, 405546340), (40, 324437072), (62, 209314240), (64, 202773170), (80, 162218536), (124, 104657120), (128, 101386585), (155, 83725696), (160, 81109268), (248, 52328560), (310, 41862848), (320, 40554634), (496, 26164280), (620, 20931424), (640, 20277317), (992, 13082140), (1240, 10465712), (1984, 6541070), (2480, 5232856), (3968, 3270535), (4960, 2616428), (9920, 1308214), (19840, 654107)]