642875688

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:277

約数の個数: 288

約数和(自身を含む): 2218376160

約数和(自身を除く): 1575500472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 107, 117, 126, 131, 147, 156, 168, 182, 196, 214, 234, 252, 262, 273, 294, 312, 321, 364, 392, 393, 428, 441, 468, 504, 524, 546, 588, 637, 642, 728, 749, 786, 819, 856, 882, 917, 936, 963, 1048, 1092, 1176, 1179, 1274, 1284, 1391, 1498, 1572, 1638, 1703, 1764, 1834, 1911, 1926, 2184, 2247, 2358, 2548, 2568, 2751, 2782, 2996, 3144, 3276, 3406, 3528, 3668, 3822, 3852, 4173, 4494, 4716, 5096, 5109, 5243, 5502, 5564, 5733, 5992, 6419, 6552, 6741, 6812, 7336, 7644, 7704, 8253, 8346, 8988, 9432, 9737, 10218, 10486, 11004, 11128, 11466, 11921, 12519, 12838, 13482, 13624, 14017, 15288, 15327, 15729, 16506, 16692, 17976, 19257, 19474, 20436, 20972, 22008, 22932, 23842, 25038, 25676, 26964, 28034, 29211, 30654, 31458, 33012, 33384, 35763, 38514, 38948, 40872, 41944, 42051, 45864, 47187, 47684, 50076, 51352, 53928, 56068, 57771, 58422, 61308, 62916, 66024, 68159, 71526, 77028, 77896, 83447, 84102, 87633, 94374, 95368, 98119, 100152, 107289, 112136, 115542, 116844, 122616, 125832, 126153, 136318, 143052, 154056, 166894, 168204, 175266, 182221, 188748, 196238, 204477, 214578, 231084, 233688, 250341, 252306, 272636, 286104, 294357, 333788, 336408, 350532, 364442, 377496, 392476, 408954, 429156, 462168, 500682, 504612, 545272, 546663, 588714, 613431, 667576, 686833, 701064, 728884, 751023, 784952, 817908, 858312, 883071, 1001364, 1009224, 1093326, 1177428, 1226862, 1275547, 1373666, 1457768, 1502046, 1635816, 1639989, 1766142, 2002728, 2060499, 2186652, 2354856, 2453724, 2551094, 2747332, 3004092, 3279978, 3532284, 3826641, 4120998, 4373304, 4907448, 5102188, 5494664, 6008184, 6181497, 6559956, 7064568, 7653282, 8241996, 8928829, 10204376, 11479923, 12362994, 13119912, 15306564, 16483992, 17857658, 22959846, 24725988, 26786487, 30613128, 35715316, 45919692, 49451976, 53572974, 71430632, 80359461, 91839384, 107145948, 160718922, 214291896, 321437844, 642875688]

約数ペア:

[(1, 642875688), (2, 321437844), (3, 214291896), (4, 160718922), (6, 107145948), (7, 91839384), (8, 80359461), (9, 71430632), (12, 53572974), (13, 49451976), (14, 45919692), (18, 35715316), (21, 30613128), (24, 26786487), (26, 24725988), (28, 22959846), (36, 17857658), (39, 16483992), (42, 15306564), (49, 13119912), (52, 12362994), (56, 11479923), (63, 10204376), (72, 8928829), (78, 8241996), (84, 7653282), (91, 7064568), (98, 6559956), (104, 6181497), (107, 6008184), (117, 5494664), (126, 5102188), (131, 4907448), (147, 4373304), (156, 4120998), (168, 3826641), (182, 3532284), (196, 3279978), (214, 3004092), (234, 2747332), (252, 2551094), (262, 2453724), (273, 2354856), (294, 2186652), (312, 2060499), (321, 2002728), (364, 1766142), (392, 1639989), (393, 1635816), (428, 1502046), (441, 1457768), (468, 1373666), (504, 1275547), (524, 1226862), (546, 1177428), (588, 1093326), (637, 1009224), (642, 1001364), (728, 883071), (749, 858312), (786, 817908), (819, 784952), (856, 751023), (882, 728884), (917, 701064), (936, 686833), (963, 667576), (1048, 613431), (1092, 588714), (1176, 546663), (1179, 545272), (1274, 504612), (1284, 500682), (1391, 462168), (1498, 429156), (1572, 408954), (1638, 392476), (1703, 377496), (1764, 364442), (1834, 350532), (1911, 336408), (1926, 333788), (2184, 294357), (2247, 286104), (2358, 272636), (2548, 252306), (2568, 250341), (2751, 233688), (2782, 231084), (2996, 214578), (3144, 204477), (3276, 196238), (3406, 188748), (3528, 182221), (3668, 175266), (3822, 168204), (3852, 166894), (4173, 154056), (4494, 143052), (4716, 136318), (5096, 126153), (5109, 125832), (5243, 122616), (5502, 116844), (5564, 115542), (5733, 112136), (5992, 107289), (6419, 100152), (6552, 98119), (6741, 95368), (6812, 94374), (7336, 87633), (7644, 84102), (7704, 83447), (8253, 77896), (8346, 77028), (8988, 71526), (9432, 68159), (9737, 66024), (10218, 62916), (10486, 61308), (11004, 58422), (11128, 57771), (11466, 56068), (11921, 53928), (12519, 51352), (12838, 50076), (13482, 47684), (13624, 47187), (14017, 45864), (15288, 42051), (15327, 41944), (15729, 40872), (16506, 38948), (16692, 38514), (17976, 35763), (19257, 33384), (19474, 33012), (20436, 31458), (20972, 30654), (22008, 29211), (22932, 28034), (23842, 26964), (25038, 25676)]