78822870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 233066160

約数和(自身を除く): 154243290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 43, 49, 58, 70, 86, 87, 98, 105, 129, 145, 147, 174, 203, 210, 215, 245, 258, 290, 294, 301, 406, 430, 435, 490, 602, 609, 645, 735, 870, 903, 1015, 1218, 1247, 1290, 1421, 1470, 1505, 1806, 1849, 2030, 2107, 2494, 2842, 3010, 3045, 3698, 3741, 4214, 4263, 4515, 5547, 6090, 6235, 6321, 7105, 7482, 8526, 8729, 9030, 9245, 10535, 11094, 12470, 12642, 12943, 14210, 17458, 18490, 18705, 21070, 21315, 25886, 26187, 27735, 31605, 37410, 38829, 42630, 43645, 52374, 53621, 55470, 61103, 63210, 64715, 77658, 87290, 90601, 107242, 122206, 129430, 130935, 160863, 181202, 183309, 194145, 261870, 268105, 271803, 305515, 321726, 366618, 375347, 388290, 453005, 536210, 543606, 611030, 750694, 804315, 906010, 916545, 1126041, 1359015, 1608630, 1833090, 1876735, 2252082, 2627429, 2718030, 3753470, 5254858, 5630205, 7882287, 11260410, 13137145, 15764574, 26274290, 39411435, 78822870]

約数ペア:

[(1, 78822870), (2, 39411435), (3, 26274290), (5, 15764574), (6, 13137145), (7, 11260410), (10, 7882287), (14, 5630205), (15, 5254858), (21, 3753470), (29, 2718030), (30, 2627429), (35, 2252082), (42, 1876735), (43, 1833090), (49, 1608630), (58, 1359015), (70, 1126041), (86, 916545), (87, 906010), (98, 804315), (105, 750694), (129, 611030), (145, 543606), (147, 536210), (174, 453005), (203, 388290), (210, 375347), (215, 366618), (245, 321726), (258, 305515), (290, 271803), (294, 268105), (301, 261870), (406, 194145), (430, 183309), (435, 181202), (490, 160863), (602, 130935), (609, 129430), (645, 122206), (735, 107242), (870, 90601), (903, 87290), (1015, 77658), (1218, 64715), (1247, 63210), (1290, 61103), (1421, 55470), (1470, 53621), (1505, 52374), (1806, 43645), (1849, 42630), (2030, 38829), (2107, 37410), (2494, 31605), (2842, 27735), (3010, 26187), (3045, 25886), (3698, 21315), (3741, 21070), (4214, 18705), (4263, 18490), (4515, 17458), (5547, 14210), (6090, 12943), (6235, 12642), (6321, 12470), (7105, 11094), (7482, 10535), (8526, 9245), (8729, 9030)]