720403968

素因数分解:

$2^9\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:672

約数の個数: 160

約数和(自身を含む): 2078866944

約数和(自身を除く): 1358462976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 47, 48, 51, 64, 68, 94, 96, 102, 128, 136, 141, 188, 192, 204, 256, 272, 282, 376, 384, 408, 512, 544, 564, 587, 752, 768, 799, 816, 1088, 1128, 1174, 1504, 1536, 1598, 1632, 1761, 2176, 2256, 2348, 2397, 3008, 3196, 3264, 3522, 4352, 4512, 4696, 4794, 6016, 6392, 6528, 7044, 8704, 9024, 9392, 9588, 9979, 12032, 12784, 13056, 14088, 18048, 18784, 19176, 19958, 24064, 25568, 26112, 27589, 28176, 29937, 36096, 37568, 38352, 39916, 51136, 55178, 56352, 59874, 72192, 75136, 76704, 79832, 82767, 102272, 110356, 112704, 119748, 150272, 153408, 159664, 165534, 204544, 220712, 225408, 239496, 300544, 306816, 319328, 331068, 409088, 441424, 450816, 469013, 478992, 613632, 638656, 662136, 882848, 901632, 938026, 957984, 1227264, 1277312, 1324272, 1407039, 1765696, 1876052, 1915968, 2554624, 2648544, 2814078, 3531392, 3752104, 3831936, 5109248, 5297088, 5628156, 7062784, 7504208, 7663872, 10594176, 11256312, 14125568, 15008416, 15327744, 21188352, 22512624, 30016832, 42376704, 45025248, 60033664, 90050496, 120067328, 180100992, 240134656, 360201984, 720403968]

約数ペア:

[(1, 720403968), (2, 360201984), (3, 240134656), (4, 180100992), (6, 120067328), (8, 90050496), (12, 60033664), (16, 45025248), (17, 42376704), (24, 30016832), (32, 22512624), (34, 21188352), (47, 15327744), (48, 15008416), (51, 14125568), (64, 11256312), (68, 10594176), (94, 7663872), (96, 7504208), (102, 7062784), (128, 5628156), (136, 5297088), (141, 5109248), (188, 3831936), (192, 3752104), (204, 3531392), (256, 2814078), (272, 2648544), (282, 2554624), (376, 1915968), (384, 1876052), (408, 1765696), (512, 1407039), (544, 1324272), (564, 1277312), (587, 1227264), (752, 957984), (768, 938026), (799, 901632), (816, 882848), (1088, 662136), (1128, 638656), (1174, 613632), (1504, 478992), (1536, 469013), (1598, 450816), (1632, 441424), (1761, 409088), (2176, 331068), (2256, 319328), (2348, 306816), (2397, 300544), (3008, 239496), (3196, 225408), (3264, 220712), (3522, 204544), (4352, 165534), (4512, 159664), (4696, 153408), (4794, 150272), (6016, 119748), (6392, 112704), (6528, 110356), (7044, 102272), (8704, 82767), (9024, 79832), (9392, 76704), (9588, 75136), (9979, 72192), (12032, 59874), (12784, 56352), (13056, 55178), (14088, 51136), (18048, 39916), (18784, 38352), (19176, 37568), (19958, 36096), (24064, 29937), (25568, 28176), (26112, 27589)]