640587584

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:885

約数の個数: 168

約数和(自身を含む): 1678289760

約数和(自身を除く): 1037702176

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 64, 76, 91, 98, 104, 112, 133, 152, 182, 196, 208, 224, 247, 266, 304, 364, 392, 416, 448, 494, 532, 608, 637, 728, 784, 827, 832, 931, 988, 1064, 1216, 1274, 1456, 1568, 1654, 1729, 1862, 1976, 2128, 2548, 2912, 3136, 3308, 3458, 3724, 3952, 4256, 5096, 5789, 5824, 6616, 6916, 7448, 7904, 8512, 10192, 10751, 11578, 12103, 13232, 13832, 14896, 15713, 15808, 20384, 21502, 23156, 24206, 26464, 27664, 29792, 31426, 40523, 40768, 43004, 46312, 48412, 52928, 55328, 59584, 62852, 75257, 81046, 86008, 92624, 96824, 109991, 110656, 125704, 150514, 162092, 172016, 185248, 193648, 204269, 219982, 251408, 301028, 324184, 344032, 370496, 387296, 408538, 439964, 502816, 526799, 602056, 648368, 688064, 769937, 774592, 817076, 879928, 1005632, 1053598, 1204112, 1296736, 1429883, 1539874, 1634152, 1759856, 2107196, 2408224, 2593472, 2859766, 3079748, 3268304, 3519712, 4214392, 4816448, 5719532, 6159496, 6536608, 7039424, 8428784, 10009181, 11439064, 12318992, 13073216, 16857568, 20018362, 22878128, 24637984, 33715136, 40036724, 45756256, 49275968, 80073448, 91512512, 160146896, 320293792, 640587584]

約数ペア:

[(1, 640587584), (2, 320293792), (4, 160146896), (7, 91512512), (8, 80073448), (13, 49275968), (14, 45756256), (16, 40036724), (19, 33715136), (26, 24637984), (28, 22878128), (32, 20018362), (38, 16857568), (49, 13073216), (52, 12318992), (56, 11439064), (64, 10009181), (76, 8428784), (91, 7039424), (98, 6536608), (104, 6159496), (112, 5719532), (133, 4816448), (152, 4214392), (182, 3519712), (196, 3268304), (208, 3079748), (224, 2859766), (247, 2593472), (266, 2408224), (304, 2107196), (364, 1759856), (392, 1634152), (416, 1539874), (448, 1429883), (494, 1296736), (532, 1204112), (608, 1053598), (637, 1005632), (728, 879928), (784, 817076), (827, 774592), (832, 769937), (931, 688064), (988, 648368), (1064, 602056), (1216, 526799), (1274, 502816), (1456, 439964), (1568, 408538), (1654, 387296), (1729, 370496), (1862, 344032), (1976, 324184), (2128, 301028), (2548, 251408), (2912, 219982), (3136, 204269), (3308, 193648), (3458, 185248), (3724, 172016), (3952, 162092), (4256, 150514), (5096, 125704), (5789, 110656), (5824, 109991), (6616, 96824), (6916, 92624), (7448, 86008), (7904, 81046), (8512, 75257), (10192, 62852), (10751, 59584), (11578, 55328), (12103, 52928), (13232, 48412), (13832, 46312), (14896, 43004), (15713, 40768), (15808, 40523), (20384, 31426), (21502, 29792), (23156, 27664), (24206, 26464)]