66942960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39847}}^1$

素因数の和:39870

約数の個数: 80

約数和(自身を含む): 237175296

約数和(自身を除く): 170232336

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, 39847, 79694, 119541, 159388, 199235, 239082, 278929, 318776, 398470, 478164, 557858, 597705, 637552, 796940, 836787, 956328, 1115716, 1195410, 1394645, 1593880, 1673574, 1912656, 2231432, 2390820, 2789290, 3187760, 3347148, 4183935, 4462864, 4781640, 5578580, 6694296, 8367870, 9563280, 11157160, 13388592, 16735740, 22314320, 33471480, 66942960]

約数ペア:

[(1, 66942960), (2, 33471480), (3, 22314320), (4, 16735740), (5, 13388592), (6, 11157160), (7, 9563280), (8, 8367870), (10, 6694296), (12, 5578580), (14, 4781640), (15, 4462864), (16, 4183935), (20, 3347148), (21, 3187760), (24, 2789290), (28, 2390820), (30, 2231432), (35, 1912656), (40, 1673574), (42, 1593880), (48, 1394645), (56, 1195410), (60, 1115716), (70, 956328), (80, 836787), (84, 796940), (105, 637552), (112, 597705), (120, 557858), (140, 478164), (168, 398470), (210, 318776), (240, 278929), (280, 239082), (336, 199235), (420, 159388), (560, 119541), (840, 79694), (1680, 39847)]