261570264

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 715392000

約数和(自身を除く): 453821736

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 53, 57, 76, 79, 106, 114, 137, 152, 158, 159, 212, 228, 237, 274, 316, 318, 411, 424, 456, 474, 548, 632, 636, 822, 948, 1007, 1096, 1272, 1501, 1644, 1896, 2014, 2603, 3002, 3021, 3288, 4028, 4187, 4503, 5206, 6004, 6042, 7261, 7809, 8056, 8374, 9006, 10412, 10823, 12008, 12084, 12561, 14522, 15618, 16748, 18012, 20824, 21646, 21783, 24168, 25122, 29044, 31236, 32469, 33496, 36024, 43292, 43566, 50244, 58088, 62472, 64938, 79553, 86584, 87132, 100488, 129876, 137959, 159106, 174264, 205637, 238659, 259752, 275918, 318212, 411274, 413877, 477318, 551836, 573619, 616911, 636424, 822548, 827754, 954636, 1103672, 1147238, 1233822, 1645096, 1655508, 1720857, 1909272, 2294476, 2467644, 3311016, 3441714, 4588952, 4935288, 6883428, 10898761, 13766856, 21797522, 32696283, 43595044, 65392566, 87190088, 130785132, 261570264]

約数ペア:

[(1, 261570264), (2, 130785132), (3, 87190088), (4, 65392566), (6, 43595044), (8, 32696283), (12, 21797522), (19, 13766856), (24, 10898761), (38, 6883428), (53, 4935288), (57, 4588952), (76, 3441714), (79, 3311016), (106, 2467644), (114, 2294476), (137, 1909272), (152, 1720857), (158, 1655508), (159, 1645096), (212, 1233822), (228, 1147238), (237, 1103672), (274, 954636), (316, 827754), (318, 822548), (411, 636424), (424, 616911), (456, 573619), (474, 551836), (548, 477318), (632, 413877), (636, 411274), (822, 318212), (948, 275918), (1007, 259752), (1096, 238659), (1272, 205637), (1501, 174264), (1644, 159106), (1896, 137959), (2014, 129876), (2603, 100488), (3002, 87132), (3021, 86584), (3288, 79553), (4028, 64938), (4187, 62472), (4503, 58088), (5206, 50244), (6004, 43566), (6042, 43292), (7261, 36024), (7809, 33496), (8056, 32469), (8374, 31236), (9006, 29044), (10412, 25122), (10823, 24168), (12008, 21783), (12084, 21646), (12561, 20824), (14522, 18012), (15618, 16748)]