661876164

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 192

約数和(自身を含む): 1945036800

約数和(自身を除く): 1283160636

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 29, 31, 34, 36, 51, 54, 58, 62, 68, 87, 93, 102, 108, 116, 124, 153, 174, 186, 204, 261, 279, 306, 348, 372, 401, 459, 493, 522, 527, 558, 612, 783, 802, 837, 899, 918, 986, 1044, 1054, 1116, 1203, 1479, 1566, 1581, 1604, 1674, 1798, 1836, 1972, 2108, 2406, 2697, 2958, 3132, 3162, 3348, 3596, 3609, 4437, 4743, 4812, 5394, 5916, 6324, 6817, 7218, 8091, 8874, 9486, 10788, 10827, 11629, 12431, 13311, 13634, 14229, 14436, 15283, 16182, 17748, 18972, 20451, 21654, 23258, 24273, 24862, 26622, 27268, 28458, 30566, 32364, 34887, 37293, 40902, 43308, 45849, 46516, 48546, 49724, 53244, 56916, 61132, 61353, 69774, 74586, 81804, 91698, 97092, 104661, 111879, 122706, 137547, 139548, 149172, 183396, 184059, 197693, 209322, 211327, 223758, 245412, 275094, 313983, 335637, 360499, 368118, 395386, 412641, 418644, 422654, 447516, 550188, 593079, 627966, 633981, 671274, 720998, 736236, 790772, 825282, 845308, 1081497, 1186158, 1255932, 1267962, 1342548, 1441996, 1650564, 1779237, 1901943, 2162994, 2372316, 2535924, 3244491, 3558474, 3803886, 4325988, 5337711, 5705829, 6128483, 6488982, 7116948, 7607772, 9733473, 10675422, 11411658, 12256966, 12977964, 18385449, 19466946, 21350844, 22823316, 24513932, 36770898, 38933892, 55156347, 73541796, 110312694, 165469041, 220625388, 330938082, 661876164]

約数ペア:

[(1, 661876164), (2, 330938082), (3, 220625388), (4, 165469041), (6, 110312694), (9, 73541796), (12, 55156347), (17, 38933892), (18, 36770898), (27, 24513932), (29, 22823316), (31, 21350844), (34, 19466946), (36, 18385449), (51, 12977964), (54, 12256966), (58, 11411658), (62, 10675422), (68, 9733473), (87, 7607772), (93, 7116948), (102, 6488982), (108, 6128483), (116, 5705829), (124, 5337711), (153, 4325988), (174, 3803886), (186, 3558474), (204, 3244491), (261, 2535924), (279, 2372316), (306, 2162994), (348, 1901943), (372, 1779237), (401, 1650564), (459, 1441996), (493, 1342548), (522, 1267962), (527, 1255932), (558, 1186158), (612, 1081497), (783, 845308), (802, 825282), (837, 790772), (899, 736236), (918, 720998), (986, 671274), (1044, 633981), (1054, 627966), (1116, 593079), (1203, 550188), (1479, 447516), (1566, 422654), (1581, 418644), (1604, 412641), (1674, 395386), (1798, 368118), (1836, 360499), (1972, 335637), (2108, 313983), (2406, 275094), (2697, 245412), (2958, 223758), (3132, 211327), (3162, 209322), (3348, 197693), (3596, 184059), (3609, 183396), (4437, 149172), (4743, 139548), (4812, 137547), (5394, 122706), (5916, 111879), (6324, 104661), (6817, 97092), (7218, 91698), (8091, 81804), (8874, 74586), (9486, 69774), (10788, 61353), (10827, 61132), (11629, 56916), (12431, 53244), (13311, 49724), (13634, 48546), (14229, 46516), (14436, 45849), (15283, 43308), (16182, 40902), (17748, 37293), (18972, 34887), (20451, 32364), (21654, 30566), (23258, 28458), (24273, 27268), (24862, 26622)]