128776368

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 390284544

約数和(自身を除く): 261508176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 103, 112, 122, 168, 183, 206, 244, 309, 336, 366, 412, 427, 488, 618, 721, 732, 824, 854, 976, 1236, 1281, 1442, 1464, 1648, 1708, 2163, 2472, 2562, 2884, 2928, 3416, 3721, 4326, 4944, 5124, 5768, 6283, 6832, 7442, 8652, 10248, 11163, 11536, 12566, 14884, 17304, 18849, 20496, 22326, 25132, 26047, 29768, 34608, 37698, 43981, 44652, 50264, 52094, 59536, 75396, 78141, 87962, 89304, 100528, 104188, 131943, 150792, 156282, 175924, 178608, 208376, 263886, 301584, 312564, 351848, 383263, 416752, 527772, 625128, 703696, 766526, 1055544, 1149789, 1250256, 1533052, 2111088, 2299578, 2682841, 3066104, 4599156, 5365682, 6132208, 8048523, 9198312, 10731364, 16097046, 18396624, 21462728, 32194092, 42925456, 64388184, 128776368]

約数ペア:

[(1, 128776368), (2, 64388184), (3, 42925456), (4, 32194092), (6, 21462728), (7, 18396624), (8, 16097046), (12, 10731364), (14, 9198312), (16, 8048523), (21, 6132208), (24, 5365682), (28, 4599156), (42, 3066104), (48, 2682841), (56, 2299578), (61, 2111088), (84, 1533052), (103, 1250256), (112, 1149789), (122, 1055544), (168, 766526), (183, 703696), (206, 625128), (244, 527772), (309, 416752), (336, 383263), (366, 351848), (412, 312564), (427, 301584), (488, 263886), (618, 208376), (721, 178608), (732, 175924), (824, 156282), (854, 150792), (976, 131943), (1236, 104188), (1281, 100528), (1442, 89304), (1464, 87962), (1648, 78141), (1708, 75396), (2163, 59536), (2472, 52094), (2562, 50264), (2884, 44652), (2928, 43981), (3416, 37698), (3721, 34608), (4326, 29768), (4944, 26047), (5124, 25132), (5768, 22326), (6283, 20496), (6832, 18849), (7442, 17304), (8652, 14884), (10248, 12566), (11163, 11536)]