666816360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5711}}^1$

素因数の和:5871

約数の個数: 128

約数和(自身を含む): 2303078400

約数和(自身を除く): 1636262040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 139, 140, 168, 210, 278, 280, 417, 420, 556, 695, 834, 840, 973, 1112, 1390, 1668, 1946, 2085, 2780, 2919, 3336, 3892, 4170, 4865, 5560, 5711, 5838, 7784, 8340, 9730, 11422, 11676, 14595, 16680, 17133, 19460, 22844, 23352, 28555, 29190, 34266, 38920, 39977, 45688, 57110, 58380, 68532, 79954, 85665, 114220, 116760, 119931, 137064, 159908, 171330, 199885, 228440, 239862, 319816, 342660, 399770, 479724, 599655, 685320, 793829, 799540, 959448, 1199310, 1587658, 1599080, 2381487, 2398620, 3175316, 3969145, 4762974, 4797240, 5556803, 6350632, 7938290, 9525948, 11113606, 11907435, 15876580, 16670409, 19051896, 22227212, 23814870, 27784015, 31753160, 33340818, 44454424, 47629740, 55568030, 66681636, 83352045, 95259480, 111136060, 133363272, 166704090, 222272120, 333408180, 666816360]

約数ペア:

[(1, 666816360), (2, 333408180), (3, 222272120), (4, 166704090), (5, 133363272), (6, 111136060), (7, 95259480), (8, 83352045), (10, 66681636), (12, 55568030), (14, 47629740), (15, 44454424), (20, 33340818), (21, 31753160), (24, 27784015), (28, 23814870), (30, 22227212), (35, 19051896), (40, 16670409), (42, 15876580), (56, 11907435), (60, 11113606), (70, 9525948), (84, 7938290), (105, 6350632), (120, 5556803), (139, 4797240), (140, 4762974), (168, 3969145), (210, 3175316), (278, 2398620), (280, 2381487), (417, 1599080), (420, 1587658), (556, 1199310), (695, 959448), (834, 799540), (840, 793829), (973, 685320), (1112, 599655), (1390, 479724), (1668, 399770), (1946, 342660), (2085, 319816), (2780, 239862), (2919, 228440), (3336, 199885), (3892, 171330), (4170, 159908), (4865, 137064), (5560, 119931), (5711, 116760), (5838, 114220), (7784, 85665), (8340, 79954), (9730, 68532), (11422, 58380), (11676, 57110), (14595, 45688), (16680, 39977), (17133, 38920), (19460, 34266), (22844, 29190), (23352, 28555)]