640516968

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3371}}^1$

素因数の和:3432

約数の個数: 192

約数和(自身を含む): 2209334400

約数和(自身を除く): 1568817432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 29, 36, 39, 42, 52, 56, 58, 63, 72, 78, 84, 87, 91, 104, 116, 117, 126, 156, 168, 174, 182, 203, 232, 234, 252, 261, 273, 312, 348, 364, 377, 406, 468, 504, 522, 546, 609, 696, 728, 754, 812, 819, 936, 1044, 1092, 1131, 1218, 1508, 1624, 1638, 1827, 2088, 2184, 2262, 2436, 2639, 3016, 3276, 3371, 3393, 3654, 4524, 4872, 5278, 6552, 6742, 6786, 7308, 7917, 9048, 10113, 10556, 13484, 13572, 14616, 15834, 20226, 21112, 23597, 23751, 26968, 27144, 30339, 31668, 40452, 43823, 47194, 47502, 60678, 63336, 70791, 80904, 87646, 94388, 95004, 97759, 121356, 131469, 141582, 175292, 188776, 190008, 195518, 212373, 242712, 262938, 283164, 293277, 306761, 350584, 391036, 394407, 424746, 525876, 566328, 586554, 613522, 684313, 782072, 788814, 849492, 879831, 920283, 1051752, 1173108, 1227044, 1270867, 1368626, 1577628, 1698984, 1759662, 1840566, 2052939, 2346216, 2454088, 2541734, 2737252, 2760849, 3155256, 3519324, 3681132, 3812601, 4105878, 5083468, 5474504, 5521698, 6158817, 7038648, 7362264, 7625202, 8211756, 8896069, 10166936, 11043396, 11437803, 12317634, 15250404, 16423512, 17792138, 22086792, 22875606, 24635268, 26688207, 30500808, 35584276, 45751212, 49270536, 53376414, 71168552, 80064621, 91502424, 106752828, 160129242, 213505656, 320258484, 640516968]

約数ペア:

[(1, 640516968), (2, 320258484), (3, 213505656), (4, 160129242), (6, 106752828), (7, 91502424), (8, 80064621), (9, 71168552), (12, 53376414), (13, 49270536), (14, 45751212), (18, 35584276), (21, 30500808), (24, 26688207), (26, 24635268), (28, 22875606), (29, 22086792), (36, 17792138), (39, 16423512), (42, 15250404), (52, 12317634), (56, 11437803), (58, 11043396), (63, 10166936), (72, 8896069), (78, 8211756), (84, 7625202), (87, 7362264), (91, 7038648), (104, 6158817), (116, 5521698), (117, 5474504), (126, 5083468), (156, 4105878), (168, 3812601), (174, 3681132), (182, 3519324), (203, 3155256), (232, 2760849), (234, 2737252), (252, 2541734), (261, 2454088), (273, 2346216), (312, 2052939), (348, 1840566), (364, 1759662), (377, 1698984), (406, 1577628), (468, 1368626), (504, 1270867), (522, 1227044), (546, 1173108), (609, 1051752), (696, 920283), (728, 879831), (754, 849492), (812, 788814), (819, 782072), (936, 684313), (1044, 613522), (1092, 586554), (1131, 566328), (1218, 525876), (1508, 424746), (1624, 394407), (1638, 391036), (1827, 350584), (2088, 306761), (2184, 293277), (2262, 283164), (2436, 262938), (2639, 242712), (3016, 212373), (3276, 195518), (3371, 190008), (3393, 188776), (3654, 175292), (4524, 141582), (4872, 131469), (5278, 121356), (6552, 97759), (6742, 95004), (6786, 94388), (7308, 87646), (7917, 80904), (9048, 70791), (10113, 63336), (10556, 60678), (13484, 47502), (13572, 47194), (14616, 43823), (15834, 40452), (20226, 31668), (21112, 30339), (23597, 27144), (23751, 26968)]