640417344

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:881

約数の個数: 224

約数和(自身を含む): 2106777600

約数和(自身を除く): 1466360256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 31, 32, 38, 42, 48, 56, 57, 62, 64, 76, 84, 93, 96, 112, 114, 124, 133, 152, 168, 186, 192, 217, 224, 228, 248, 266, 304, 336, 372, 399, 434, 448, 456, 496, 532, 589, 608, 651, 672, 744, 798, 809, 868, 912, 992, 1064, 1178, 1216, 1302, 1344, 1488, 1596, 1618, 1736, 1767, 1824, 1984, 2128, 2356, 2427, 2604, 2976, 3192, 3236, 3472, 3534, 3648, 4123, 4256, 4712, 4854, 5208, 5663, 5952, 6384, 6472, 6944, 7068, 8246, 8512, 9424, 9708, 10416, 11326, 12369, 12768, 12944, 13888, 14136, 15371, 16492, 16989, 18848, 19416, 20832, 22652, 24738, 25079, 25536, 25888, 28272, 30742, 32984, 33978, 37696, 38832, 41664, 45304, 46113, 49476, 50158, 51776, 56544, 61484, 65968, 67956, 75237, 77664, 90608, 92226, 98952, 100316, 107597, 113088, 122968, 131936, 135912, 150474, 155328, 175553, 181216, 184452, 197904, 200632, 215194, 245936, 263872, 271824, 300948, 322791, 351106, 362432, 368904, 395808, 401264, 430388, 476501, 491872, 526659, 543648, 601896, 645582, 702212, 737808, 791616, 802528, 860776, 953002, 983744, 1053318, 1087296, 1203792, 1291164, 1404424, 1429503, 1475616, 1605056, 1721552, 1906004, 2106636, 2407584, 2582328, 2808848, 2859006, 2951232, 3335507, 3443104, 3812008, 4213272, 4815168, 5164656, 5617696, 5718012, 6671014, 6886208, 7624016, 8426544, 10006521, 10329312, 11235392, 11436024, 13342028, 15248032, 16853088, 20013042, 20658624, 22872048, 26684056, 30496064, 33706176, 40026084, 45744096, 53368112, 80052168, 91488192, 106736224, 160104336, 213472448, 320208672, 640417344]

約数ペア:

[(1, 640417344), (2, 320208672), (3, 213472448), (4, 160104336), (6, 106736224), (7, 91488192), (8, 80052168), (12, 53368112), (14, 45744096), (16, 40026084), (19, 33706176), (21, 30496064), (24, 26684056), (28, 22872048), (31, 20658624), (32, 20013042), (38, 16853088), (42, 15248032), (48, 13342028), (56, 11436024), (57, 11235392), (62, 10329312), (64, 10006521), (76, 8426544), (84, 7624016), (93, 6886208), (96, 6671014), (112, 5718012), (114, 5617696), (124, 5164656), (133, 4815168), (152, 4213272), (168, 3812008), (186, 3443104), (192, 3335507), (217, 2951232), (224, 2859006), (228, 2808848), (248, 2582328), (266, 2407584), (304, 2106636), (336, 1906004), (372, 1721552), (399, 1605056), (434, 1475616), (448, 1429503), (456, 1404424), (496, 1291164), (532, 1203792), (589, 1087296), (608, 1053318), (651, 983744), (672, 953002), (744, 860776), (798, 802528), (809, 791616), (868, 737808), (912, 702212), (992, 645582), (1064, 601896), (1178, 543648), (1216, 526659), (1302, 491872), (1344, 476501), (1488, 430388), (1596, 401264), (1618, 395808), (1736, 368904), (1767, 362432), (1824, 351106), (1984, 322791), (2128, 300948), (2356, 271824), (2427, 263872), (2604, 245936), (2976, 215194), (3192, 200632), (3236, 197904), (3472, 184452), (3534, 181216), (3648, 175553), (4123, 155328), (4256, 150474), (4712, 135912), (4854, 131936), (5208, 122968), (5663, 113088), (5952, 107597), (6384, 100316), (6472, 98952), (6944, 92226), (7068, 90608), (8246, 77664), (8512, 75237), (9424, 67956), (9708, 65968), (10416, 61484), (11326, 56544), (12369, 51776), (12768, 50158), (12944, 49476), (13888, 46113), (14136, 45304), (15371, 41664), (16492, 38832), (16989, 37696), (18848, 33978), (19416, 32984), (20832, 30742), (22652, 28272), (24738, 25888), (25079, 25536)]