645259968

素因数分解:

$2^6\times 3^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:455

約数の個数: 168

約数和(自身を含む): 1922160240

約数和(自身を除く): 1276900272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 64, 72, 82, 89, 96, 123, 144, 164, 178, 192, 246, 267, 288, 307, 328, 356, 369, 492, 534, 576, 614, 656, 712, 738, 801, 921, 984, 1068, 1228, 1312, 1424, 1476, 1602, 1842, 1968, 2136, 2456, 2624, 2763, 2848, 2952, 3204, 3649, 3684, 3936, 4272, 4912, 5526, 5696, 5904, 6408, 7298, 7368, 7872, 8544, 9824, 10947, 11052, 11808, 12587, 12816, 14596, 14736, 17088, 19648, 21894, 22104, 23616, 25174, 25632, 27323, 29192, 29472, 32841, 37761, 43788, 44208, 50348, 51264, 54646, 58384, 58944, 65682, 75522, 81969, 87576, 88416, 100696, 109292, 113283, 116768, 131364, 151044, 163938, 175152, 176832, 201392, 218584, 226566, 233536, 245907, 262728, 302088, 327876, 350304, 402784, 437168, 453132, 491814, 525456, 604176, 655752, 700608, 805568, 874336, 906264, 983628, 1050912, 1120243, 1208352, 1311504, 1748672, 1812528, 1967256, 2101824, 2240486, 2416704, 2623008, 3360729, 3625056, 3934512, 4480972, 5246016, 6721458, 7250112, 7869024, 8961944, 10082187, 13442916, 15738048, 17923888, 20164374, 26885832, 35847776, 40328748, 53771664, 71695552, 80657496, 107543328, 161314992, 215086656, 322629984, 645259968]

約数ペア:

[(1, 645259968), (2, 322629984), (3, 215086656), (4, 161314992), (6, 107543328), (8, 80657496), (9, 71695552), (12, 53771664), (16, 40328748), (18, 35847776), (24, 26885832), (32, 20164374), (36, 17923888), (41, 15738048), (48, 13442916), (64, 10082187), (72, 8961944), (82, 7869024), (89, 7250112), (96, 6721458), (123, 5246016), (144, 4480972), (164, 3934512), (178, 3625056), (192, 3360729), (246, 2623008), (267, 2416704), (288, 2240486), (307, 2101824), (328, 1967256), (356, 1812528), (369, 1748672), (492, 1311504), (534, 1208352), (576, 1120243), (614, 1050912), (656, 983628), (712, 906264), (738, 874336), (801, 805568), (921, 700608), (984, 655752), (1068, 604176), (1228, 525456), (1312, 491814), (1424, 453132), (1476, 437168), (1602, 402784), (1842, 350304), (1968, 327876), (2136, 302088), (2456, 262728), (2624, 245907), (2763, 233536), (2848, 226566), (2952, 218584), (3204, 201392), (3649, 176832), (3684, 175152), (3936, 163938), (4272, 151044), (4912, 131364), (5526, 116768), (5696, 113283), (5904, 109292), (6408, 100696), (7298, 88416), (7368, 87576), (7872, 81969), (8544, 75522), (9824, 65682), (10947, 58944), (11052, 58384), (11808, 54646), (12587, 51264), (12816, 50348), (14596, 44208), (14736, 43788), (17088, 37761), (19648, 32841), (21894, 29472), (22104, 29192), (23616, 27323), (25174, 25632)]