81278461656

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{15331}}^1$

素因数の和:15574

約数の個数: 192

約数和(自身を含む): 256974132480

約数和(自身を除く): 175695670824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 67, 72, 84, 126, 134, 157, 168, 201, 252, 268, 314, 402, 469, 471, 504, 536, 603, 628, 804, 938, 942, 1099, 1206, 1256, 1407, 1413, 1608, 1876, 1884, 2198, 2412, 2814, 2826, 3297, 3752, 3768, 4221, 4396, 4824, 5628, 5652, 6594, 8442, 8792, 9891, 10519, 11256, 11304, 13188, 15331, 16884, 19782, 21038, 26376, 30662, 31557, 33768, 39564, 42076, 45993, 61324, 63114, 73633, 79128, 84152, 91986, 94671, 107317, 122648, 126228, 137979, 147266, 183972, 189342, 214634, 220899, 252456, 275958, 294532, 321951, 367944, 378684, 429268, 441798, 551916, 589064, 643902, 662697, 757368, 858536, 883596, 965853, 1027177, 1103832, 1287804, 1325394, 1767192, 1931706, 2054354, 2406967, 2575608, 2650788, 3081531, 3863412, 4108708, 4813934, 5301576, 6163062, 7190239, 7220901, 7726824, 8217416, 9244593, 9627868, 12326124, 14380478, 14441802, 16848769, 18489186, 19255736, 21570717, 21662703, 24652248, 28760956, 28883604, 33697538, 36978372, 43141434, 43325406, 50546307, 57521912, 57767208, 64712151, 67395076, 73956744, 86282868, 86650812, 101092614, 129424302, 134790152, 151638921, 161266789, 172565736, 173301624, 202185228, 258848604, 303277842, 322533578, 404370456, 483800367, 517697208, 606555684, 645067156, 967600734, 1128867523, 1213111368, 1290134312, 1451401101, 1935201468, 2257735046, 2902802202, 3386602569, 3870402936, 4515470092, 5805604404, 6773205138, 9030940184, 10159807707, 11611208808, 13546410276, 20319615414, 27092820552, 40639230828, 81278461656]

約数ペア:

[(1, 81278461656), (2, 40639230828), (3, 27092820552), (4, 20319615414), (6, 13546410276), (7, 11611208808), (8, 10159807707), (9, 9030940184), (12, 6773205138), (14, 5805604404), (18, 4515470092), (21, 3870402936), (24, 3386602569), (28, 2902802202), (36, 2257735046), (42, 1935201468), (56, 1451401101), (63, 1290134312), (67, 1213111368), (72, 1128867523), (84, 967600734), (126, 645067156), (134, 606555684), (157, 517697208), (168, 483800367), (201, 404370456), (252, 322533578), (268, 303277842), (314, 258848604), (402, 202185228), (469, 173301624), (471, 172565736), (504, 161266789), (536, 151638921), (603, 134790152), (628, 129424302), (804, 101092614), (938, 86650812), (942, 86282868), (1099, 73956744), (1206, 67395076), (1256, 64712151), (1407, 57767208), (1413, 57521912), (1608, 50546307), (1876, 43325406), (1884, 43141434), (2198, 36978372), (2412, 33697538), (2814, 28883604), (2826, 28760956), (3297, 24652248), (3752, 21662703), (3768, 21570717), (4221, 19255736), (4396, 18489186), (4824, 16848769), (5628, 14441802), (5652, 14380478), (6594, 12326124), (8442, 9627868), (8792, 9244593), (9891, 8217416), (10519, 7726824), (11256, 7220901), (11304, 7190239), (13188, 6163062), (15331, 5301576), (16884, 4813934), (19782, 4108708), (21038, 3863412), (26376, 3081531), (30662, 2650788), (31557, 2575608), (33768, 2406967), (39564, 2054354), (42076, 1931706), (45993, 1767192), (61324, 1325394), (63114, 1287804), (73633, 1103832), (79128, 1027177), (84152, 965853), (91986, 883596), (94671, 858536), (107317, 757368), (122648, 662697), (126228, 643902), (137979, 589064), (147266, 551916), (183972, 441798), (189342, 429268), (214634, 378684), (220899, 367944), (252456, 321951), (275958, 294532)]