644981376

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2826

約数の個数: 128

約数和(自身を含む): 1884960000

約数和(自身を除く): 1239978624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 47, 48, 52, 64, 78, 94, 96, 104, 128, 141, 156, 188, 192, 208, 282, 312, 376, 384, 416, 564, 611, 624, 752, 832, 1128, 1222, 1248, 1504, 1664, 1833, 2256, 2444, 2496, 2749, 3008, 3666, 4512, 4888, 4992, 5498, 6016, 7332, 8247, 9024, 9776, 10996, 14664, 16494, 18048, 19552, 21992, 29328, 32988, 35737, 39104, 43984, 58656, 65976, 71474, 78208, 87968, 107211, 117312, 129203, 131952, 142948, 175936, 214422, 234624, 258406, 263904, 285896, 351872, 387609, 428844, 516812, 527808, 571792, 775218, 857688, 1033624, 1055616, 1143584, 1550436, 1679639, 1715376, 2067248, 2287168, 3100872, 3359278, 3430752, 4134496, 4574336, 5038917, 6201744, 6718556, 6861504, 8268992, 10077834, 12403488, 13437112, 13723008, 16537984, 20155668, 24806976, 26874224, 40311336, 49613952, 53748448, 80622672, 107496896, 161245344, 214993792, 322490688, 644981376]

約数ペア:

[(1, 644981376), (2, 322490688), (3, 214993792), (4, 161245344), (6, 107496896), (8, 80622672), (12, 53748448), (13, 49613952), (16, 40311336), (24, 26874224), (26, 24806976), (32, 20155668), (39, 16537984), (47, 13723008), (48, 13437112), (52, 12403488), (64, 10077834), (78, 8268992), (94, 6861504), (96, 6718556), (104, 6201744), (128, 5038917), (141, 4574336), (156, 4134496), (188, 3430752), (192, 3359278), (208, 3100872), (282, 2287168), (312, 2067248), (376, 1715376), (384, 1679639), (416, 1550436), (564, 1143584), (611, 1055616), (624, 1033624), (752, 857688), (832, 775218), (1128, 571792), (1222, 527808), (1248, 516812), (1504, 428844), (1664, 387609), (1833, 351872), (2256, 285896), (2444, 263904), (2496, 258406), (2749, 234624), (3008, 214422), (3666, 175936), (4512, 142948), (4888, 131952), (4992, 129203), (5498, 117312), (6016, 107211), (7332, 87968), (8247, 78208), (9024, 71474), (9776, 65976), (10996, 58656), (14664, 43984), (16494, 39104), (18048, 35737), (19552, 32988), (21992, 29328)]