2122880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 5287680

約数和(自身を除く): 3164800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 107, 124, 128, 155, 160, 214, 248, 310, 320, 428, 496, 535, 620, 640, 856, 992, 1070, 1240, 1712, 1984, 2140, 2480, 3317, 3424, 3968, 4280, 4960, 6634, 6848, 8560, 9920, 13268, 13696, 16585, 17120, 19840, 26536, 33170, 34240, 53072, 66340, 68480, 106144, 132680, 212288, 265360, 424576, 530720, 1061440, 2122880]

約数ペア:

[(1, 2122880), (2, 1061440), (4, 530720), (5, 424576), (8, 265360), (10, 212288), (16, 132680), (20, 106144), (31, 68480), (32, 66340), (40, 53072), (62, 34240), (64, 33170), (80, 26536), (107, 19840), (124, 17120), (128, 16585), (155, 13696), (160, 13268), (214, 9920), (248, 8560), (310, 6848), (320, 6634), (428, 4960), (496, 4280), (535, 3968), (620, 3424), (640, 3317), (856, 2480), (992, 2140), (1070, 1984), (1240, 1712)]