320103216

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:455

約数の個数: 120

約数和(自身を含む): 919226880

約数和(自身を除く): 599123664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 131, 142, 144, 213, 239, 262, 284, 393, 426, 478, 524, 568, 639, 717, 786, 852, 956, 1048, 1136, 1179, 1278, 1434, 1572, 1704, 1912, 2096, 2151, 2358, 2556, 2868, 3144, 3408, 3824, 4302, 4716, 5112, 5736, 6288, 8604, 9301, 9432, 10224, 11472, 16969, 17208, 18602, 18864, 27903, 31309, 33938, 34416, 37204, 50907, 55806, 62618, 67876, 74408, 83709, 93927, 101814, 111612, 125236, 135752, 148816, 152721, 167418, 187854, 203628, 223224, 250472, 271504, 281781, 305442, 334836, 375708, 407256, 446448, 500944, 563562, 610884, 669672, 751416, 814512, 1127124, 1221768, 1339344, 1502832, 2222939, 2254248, 2443536, 4445878, 4508496, 6668817, 8891756, 13337634, 17783512, 20006451, 26675268, 35567024, 40012902, 53350536, 80025804, 106701072, 160051608, 320103216]

約数ペア:

[(1, 320103216), (2, 160051608), (3, 106701072), (4, 80025804), (6, 53350536), (8, 40012902), (9, 35567024), (12, 26675268), (16, 20006451), (18, 17783512), (24, 13337634), (36, 8891756), (48, 6668817), (71, 4508496), (72, 4445878), (131, 2443536), (142, 2254248), (144, 2222939), (213, 1502832), (239, 1339344), (262, 1221768), (284, 1127124), (393, 814512), (426, 751416), (478, 669672), (524, 610884), (568, 563562), (639, 500944), (717, 446448), (786, 407256), (852, 375708), (956, 334836), (1048, 305442), (1136, 281781), (1179, 271504), (1278, 250472), (1434, 223224), (1572, 203628), (1704, 187854), (1912, 167418), (2096, 152721), (2151, 148816), (2358, 135752), (2556, 125236), (2868, 111612), (3144, 101814), (3408, 93927), (3824, 83709), (4302, 74408), (4716, 67876), (5112, 62618), (5736, 55806), (6288, 50907), (8604, 37204), (9301, 34416), (9432, 33938), (10224, 31309), (11472, 27903), (16969, 18864), (17208, 18602)]