81290664

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:704

約数の個数: 192

約数和(自身を含む): 285667200

約数和(自身を除く): 204376536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 24, 26, 28, 36, 38, 39, 42, 52, 56, 57, 63, 72, 76, 78, 84, 91, 104, 114, 117, 126, 133, 152, 156, 168, 171, 182, 228, 234, 247, 252, 266, 273, 312, 342, 364, 399, 456, 468, 494, 504, 532, 546, 653, 684, 728, 741, 798, 819, 936, 988, 1064, 1092, 1197, 1306, 1368, 1482, 1596, 1638, 1729, 1959, 1976, 2184, 2223, 2394, 2612, 2964, 3192, 3276, 3458, 3918, 4446, 4571, 4788, 5187, 5224, 5877, 5928, 6552, 6916, 7836, 8489, 8892, 9142, 9576, 10374, 11754, 12407, 13713, 13832, 15561, 15672, 16978, 17784, 18284, 20748, 23508, 24814, 25467, 27426, 31122, 33956, 36568, 37221, 41139, 41496, 47016, 49628, 50934, 54852, 59423, 62244, 67912, 74442, 76401, 82278, 86849, 99256, 101868, 109704, 111663, 118846, 124488, 148884, 152802, 161291, 164556, 173698, 178269, 203736, 223326, 237692, 260547, 297768, 305604, 322582, 329112, 347396, 356538, 446652, 475384, 483873, 521094, 534807, 611208, 645164, 694792, 713076, 781641, 893304, 967746, 1042188, 1069614, 1129037, 1290328, 1426152, 1451619, 1563282, 1935492, 2084376, 2139228, 2258074, 2903238, 3126564, 3387111, 3870984, 4278456, 4516148, 5806476, 6253128, 6774222, 9032296, 10161333, 11612952, 13548444, 20322666, 27096888, 40645332, 81290664]

約数ペア:

[(1, 81290664), (2, 40645332), (3, 27096888), (4, 20322666), (6, 13548444), (7, 11612952), (8, 10161333), (9, 9032296), (12, 6774222), (13, 6253128), (14, 5806476), (18, 4516148), (19, 4278456), (21, 3870984), (24, 3387111), (26, 3126564), (28, 2903238), (36, 2258074), (38, 2139228), (39, 2084376), (42, 1935492), (52, 1563282), (56, 1451619), (57, 1426152), (63, 1290328), (72, 1129037), (76, 1069614), (78, 1042188), (84, 967746), (91, 893304), (104, 781641), (114, 713076), (117, 694792), (126, 645164), (133, 611208), (152, 534807), (156, 521094), (168, 483873), (171, 475384), (182, 446652), (228, 356538), (234, 347396), (247, 329112), (252, 322582), (266, 305604), (273, 297768), (312, 260547), (342, 237692), (364, 223326), (399, 203736), (456, 178269), (468, 173698), (494, 164556), (504, 161291), (532, 152802), (546, 148884), (653, 124488), (684, 118846), (728, 111663), (741, 109704), (798, 101868), (819, 99256), (936, 86849), (988, 82278), (1064, 76401), (1092, 74442), (1197, 67912), (1306, 62244), (1368, 59423), (1482, 54852), (1596, 50934), (1638, 49628), (1729, 47016), (1959, 41496), (1976, 41139), (2184, 37221), (2223, 36568), (2394, 33956), (2612, 31122), (2964, 27426), (3192, 25467), (3276, 24814), (3458, 23508), (3918, 20748), (4446, 18284), (4571, 17784), (4788, 16978), (5187, 15672), (5224, 15561), (5877, 13832), (5928, 13713), (6552, 12407), (6916, 11754), (7836, 10374), (8489, 9576), (8892, 9142)]