170720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 444528

約数和(自身を除く): 273808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 97, 110, 160, 176, 194, 220, 352, 388, 440, 485, 776, 880, 970, 1067, 1552, 1760, 1940, 2134, 3104, 3880, 4268, 5335, 7760, 8536, 10670, 15520, 17072, 21340, 34144, 42680, 85360, 170720]

約数ペア:

[(1, 170720), (2, 85360), (4, 42680), (5, 34144), (8, 21340), (10, 17072), (11, 15520), (16, 10670), (20, 8536), (22, 7760), (32, 5335), (40, 4268), (44, 3880), (55, 3104), (80, 2134), (88, 1940), (97, 1760), (110, 1552), (160, 1067), (176, 970), (194, 880), (220, 776), (352, 485), (388, 440)]