66465840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39563}}^1$

素因数の和:39586

約数の個数: 80

約数和(自身を含む): 235484928

約数和(自身を除く): 169019088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 39563, 79126, 118689, 158252, 197815, 237378, 276941, 316504, 395630, 474756, 553882, 593445, 633008, 791260, 830823, 949512, 1107764, 1186890, 1384705, 1582520, 1661646, 1899024, 2215528, 2373780, 2769410, 3165040, 3323292, 4154115, 4431056, 4747560, 5538820, 6646584, 8308230, 9495120, 11077640, 13293168, 16616460, 22155280, 33232920, 66465840]

約数ペア:

[(1, 66465840), (2, 33232920), (3, 22155280), (4, 16616460), (5, 13293168), (6, 11077640), (7, 9495120), (8, 8308230), (10, 6646584), (12, 5538820), (14, 4747560), (15, 4431056), (16, 4154115), (20, 3323292), (21, 3165040), (24, 2769410), (28, 2373780), (30, 2215528), (35, 1899024), (40, 1661646), (42, 1582520), (48, 1384705), (56, 1186890), (60, 1107764), (70, 949512), (80, 830823), (84, 791260), (105, 633008), (112, 593445), (120, 553882), (140, 474756), (168, 395630), (210, 316504), (240, 276941), (280, 237378), (336, 197815), (420, 158252), (560, 118689), (840, 79126), (1680, 39563)]