168640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 56

約数和(自身を含む): 438912

約数和(自身を除く): 270272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 992, 1054, 1088, 1240, 1360, 1984, 2108, 2480, 2635, 2720, 4216, 4960, 5270, 5440, 8432, 9920, 10540, 16864, 21080, 33728, 42160, 84320, 168640]

約数ペア:

[(1, 168640), (2, 84320), (4, 42160), (5, 33728), (8, 21080), (10, 16864), (16, 10540), (17, 9920), (20, 8432), (31, 5440), (32, 5270), (34, 4960), (40, 4216), (62, 2720), (64, 2635), (68, 2480), (80, 2108), (85, 1984), (124, 1360), (136, 1240), (155, 1088), (160, 1054), (170, 992), (248, 680), (272, 620), (310, 544), (320, 527), (340, 496)]