155388640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88289}}^1$

素因数の和:88315

約数の個数: 48

約数和(自身を含む): 400483440

約数和(自身を除く): 245094800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 88289, 176578, 353156, 441445, 706312, 882890, 971179, 1412624, 1765780, 1942358, 2825248, 3531560, 3884716, 4855895, 7063120, 7769432, 9711790, 14126240, 15538864, 19423580, 31077728, 38847160, 77694320, 155388640]

約数ペア:

[(1, 155388640), (2, 77694320), (4, 38847160), (5, 31077728), (8, 19423580), (10, 15538864), (11, 14126240), (16, 9711790), (20, 7769432), (22, 7063120), (32, 4855895), (40, 3884716), (44, 3531560), (55, 2825248), (80, 1942358), (88, 1765780), (110, 1412624), (160, 971179), (176, 882890), (220, 706312), (352, 441445), (440, 353156), (880, 176578), (1760, 88289)]