320717280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:633

約数の個数: 192

約数和(自身を含む): 1100736000

約数和(自身を除く): 780018720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 103, 104, 120, 130, 156, 160, 195, 206, 208, 240, 260, 309, 312, 390, 412, 416, 480, 499, 515, 520, 618, 624, 780, 824, 998, 1030, 1040, 1236, 1248, 1339, 1497, 1545, 1560, 1648, 1996, 2060, 2080, 2472, 2495, 2678, 2994, 3090, 3120, 3296, 3992, 4017, 4120, 4944, 4990, 5356, 5988, 6180, 6240, 6487, 6695, 7485, 7984, 8034, 8240, 9888, 9980, 10712, 11976, 12360, 12974, 13390, 14970, 15968, 16068, 16480, 19461, 19960, 20085, 21424, 23952, 24720, 25948, 26780, 29940, 32136, 32435, 38922, 39920, 40170, 42848, 47904, 49440, 51397, 51896, 53560, 59880, 64272, 64870, 77844, 79840, 80340, 97305, 102794, 103792, 107120, 119760, 128544, 129740, 154191, 155688, 160680, 194610, 205588, 207584, 214240, 239520, 256985, 259480, 308382, 311376, 321360, 389220, 411176, 513970, 518960, 616764, 622752, 642720, 668161, 770955, 778440, 822352, 1027940, 1037920, 1233528, 1336322, 1541910, 1556880, 1644704, 2004483, 2055880, 2467056, 2672644, 3083820, 3113760, 3340805, 4008966, 4111760, 4934112, 5345288, 6167640, 6681610, 8017932, 8223520, 10022415, 10690576, 12335280, 13363220, 16035864, 20044830, 21381152, 24670560, 26726440, 32071728, 40089660, 53452880, 64143456, 80179320, 106905760, 160358640, 320717280]

約数ペア:

[(1, 320717280), (2, 160358640), (3, 106905760), (4, 80179320), (5, 64143456), (6, 53452880), (8, 40089660), (10, 32071728), (12, 26726440), (13, 24670560), (15, 21381152), (16, 20044830), (20, 16035864), (24, 13363220), (26, 12335280), (30, 10690576), (32, 10022415), (39, 8223520), (40, 8017932), (48, 6681610), (52, 6167640), (60, 5345288), (65, 4934112), (78, 4111760), (80, 4008966), (96, 3340805), (103, 3113760), (104, 3083820), (120, 2672644), (130, 2467056), (156, 2055880), (160, 2004483), (195, 1644704), (206, 1556880), (208, 1541910), (240, 1336322), (260, 1233528), (309, 1037920), (312, 1027940), (390, 822352), (412, 778440), (416, 770955), (480, 668161), (499, 642720), (515, 622752), (520, 616764), (618, 518960), (624, 513970), (780, 411176), (824, 389220), (998, 321360), (1030, 311376), (1040, 308382), (1236, 259480), (1248, 256985), (1339, 239520), (1497, 214240), (1545, 207584), (1560, 205588), (1648, 194610), (1996, 160680), (2060, 155688), (2080, 154191), (2472, 129740), (2495, 128544), (2678, 119760), (2994, 107120), (3090, 103792), (3120, 102794), (3296, 97305), (3992, 80340), (4017, 79840), (4120, 77844), (4944, 64870), (4990, 64272), (5356, 59880), (5988, 53560), (6180, 51896), (6240, 51397), (6487, 49440), (6695, 47904), (7485, 42848), (7984, 40170), (8034, 39920), (8240, 38922), (9888, 32435), (9980, 32136), (10712, 29940), (11976, 26780), (12360, 25948), (12974, 24720), (13390, 23952), (14970, 21424), (15968, 20085), (16068, 19960), (16480, 19461)]