31425520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3301}}^1$

素因数の和:3338

約数の個数: 80

約数和(自身を含む): 88440768

約数和(自身を除く): 57015248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 3301, 4760, 6602, 9520, 13204, 16505, 23107, 26408, 33010, 46214, 52816, 56117, 66020, 92428, 112234, 115535, 132040, 184856, 224468, 231070, 264080, 280585, 369712, 392819, 448936, 462140, 561170, 785638, 897872, 924280, 1122340, 1571276, 1848560, 1964095, 2244680, 3142552, 3928190, 4489360, 6285104, 7856380, 15712760, 31425520]

約数ペア:

[(1, 31425520), (2, 15712760), (4, 7856380), (5, 6285104), (7, 4489360), (8, 3928190), (10, 3142552), (14, 2244680), (16, 1964095), (17, 1848560), (20, 1571276), (28, 1122340), (34, 924280), (35, 897872), (40, 785638), (56, 561170), (68, 462140), (70, 448936), (80, 392819), (85, 369712), (112, 280585), (119, 264080), (136, 231070), (140, 224468), (170, 184856), (238, 132040), (272, 115535), (280, 112234), (340, 92428), (476, 66020), (560, 56117), (595, 52816), (680, 46214), (952, 33010), (1190, 26408), (1360, 23107), (1904, 16505), (2380, 13204), (3301, 9520), (4760, 6602)]