320739912

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 160

約数和(自身を含む): 958320000

約数和(自身を除く): 637580088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 109, 114, 152, 162, 171, 216, 218, 228, 239, 324, 327, 342, 436, 456, 478, 513, 648, 654, 684, 717, 872, 956, 981, 1026, 1308, 1368, 1434, 1539, 1912, 1962, 2052, 2071, 2151, 2616, 2868, 2943, 3078, 3924, 4104, 4142, 4302, 4541, 5736, 5886, 6156, 6213, 6453, 7848, 8284, 8604, 8829, 9082, 11772, 12312, 12426, 12906, 13623, 16568, 17208, 17658, 18164, 18639, 19359, 23544, 24852, 25812, 26051, 27246, 35316, 36328, 37278, 38718, 40869, 49704, 51624, 52102, 54492, 55917, 70632, 74556, 77436, 78153, 81738, 104204, 108984, 111834, 122607, 149112, 154872, 156306, 163476, 167751, 208408, 223668, 234459, 245214, 312612, 326952, 335502, 367821, 447336, 468918, 490428, 494969, 625224, 671004, 703377, 735642, 937836, 980856, 989938, 1342008, 1406754, 1471284, 1484907, 1875672, 1979876, 2110131, 2813508, 2942568, 2969814, 3959752, 4220262, 4454721, 5627016, 5939628, 8440524, 8909442, 11879256, 13364163, 16881048, 17818884, 26728326, 35637768, 40092489, 53456652, 80184978, 106913304, 160369956, 320739912]

約数ペア:

[(1, 320739912), (2, 160369956), (3, 106913304), (4, 80184978), (6, 53456652), (8, 40092489), (9, 35637768), (12, 26728326), (18, 17818884), (19, 16881048), (24, 13364163), (27, 11879256), (36, 8909442), (38, 8440524), (54, 5939628), (57, 5627016), (72, 4454721), (76, 4220262), (81, 3959752), (108, 2969814), (109, 2942568), (114, 2813508), (152, 2110131), (162, 1979876), (171, 1875672), (216, 1484907), (218, 1471284), (228, 1406754), (239, 1342008), (324, 989938), (327, 980856), (342, 937836), (436, 735642), (456, 703377), (478, 671004), (513, 625224), (648, 494969), (654, 490428), (684, 468918), (717, 447336), (872, 367821), (956, 335502), (981, 326952), (1026, 312612), (1308, 245214), (1368, 234459), (1434, 223668), (1539, 208408), (1912, 167751), (1962, 163476), (2052, 156306), (2071, 154872), (2151, 149112), (2616, 122607), (2868, 111834), (2943, 108984), (3078, 104204), (3924, 81738), (4104, 78153), (4142, 77436), (4302, 74556), (4541, 70632), (5736, 55917), (5886, 54492), (6156, 52102), (6213, 51624), (6453, 49704), (7848, 40869), (8284, 38718), (8604, 37278), (8829, 36328), (9082, 35316), (11772, 27246), (12312, 26051), (12426, 25812), (12906, 24852), (13623, 23544), (16568, 19359), (17208, 18639), (17658, 18164)]