15680358

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:107

約数の個数: 128

約数和(自身を含む): 41472000

約数和(自身を除く): 25791642

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 29, 31, 34, 38, 51, 54, 57, 58, 62, 87, 93, 102, 114, 153, 171, 174, 186, 261, 279, 306, 323, 342, 459, 493, 513, 522, 527, 551, 558, 589, 646, 783, 837, 899, 918, 969, 986, 1026, 1054, 1102, 1178, 1479, 1566, 1581, 1653, 1674, 1767, 1798, 1938, 2697, 2907, 2958, 3162, 3306, 3534, 4437, 4743, 4959, 5301, 5394, 5814, 8091, 8721, 8874, 9367, 9486, 9918, 10013, 10602, 13311, 14229, 14877, 15283, 15903, 16182, 17081, 17442, 18734, 20026, 24273, 26622, 28101, 28458, 29754, 30039, 30566, 31806, 34162, 45849, 48546, 51243, 56202, 60078, 84303, 90117, 91698, 102486, 137547, 153729, 168606, 180234, 252909, 270351, 275094, 290377, 307458, 412641, 461187, 505818, 540702, 580754, 825282, 871131, 922374, 1742262, 2613393, 5226786, 7840179, 15680358]

約数ペア:

[(1, 15680358), (2, 7840179), (3, 5226786), (6, 2613393), (9, 1742262), (17, 922374), (18, 871131), (19, 825282), (27, 580754), (29, 540702), (31, 505818), (34, 461187), (38, 412641), (51, 307458), (54, 290377), (57, 275094), (58, 270351), (62, 252909), (87, 180234), (93, 168606), (102, 153729), (114, 137547), (153, 102486), (171, 91698), (174, 90117), (186, 84303), (261, 60078), (279, 56202), (306, 51243), (323, 48546), (342, 45849), (459, 34162), (493, 31806), (513, 30566), (522, 30039), (527, 29754), (551, 28458), (558, 28101), (589, 26622), (646, 24273), (783, 20026), (837, 18734), (899, 17442), (918, 17081), (969, 16182), (986, 15903), (1026, 15283), (1054, 14877), (1102, 14229), (1178, 13311), (1479, 10602), (1566, 10013), (1581, 9918), (1653, 9486), (1674, 9367), (1767, 8874), (1798, 8721), (1938, 8091), (2697, 5814), (2907, 5394), (2958, 5301), (3162, 4959), (3306, 4743), (3534, 4437)]