320437728

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:686

約数の個数: 192

約数和(自身を含む): 1029611520

約数和(自身を除く): 709173792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 47, 48, 52, 54, 72, 78, 94, 96, 104, 108, 117, 141, 144, 156, 188, 208, 216, 234, 282, 288, 312, 351, 376, 416, 423, 432, 468, 564, 607, 611, 624, 702, 752, 846, 864, 936, 1128, 1214, 1222, 1248, 1269, 1404, 1504, 1692, 1821, 1833, 1872, 2256, 2428, 2444, 2538, 2808, 3384, 3642, 3666, 3744, 4512, 4856, 4888, 5076, 5463, 5499, 5616, 6768, 7284, 7332, 7891, 9712, 9776, 10152, 10926, 10998, 11232, 13536, 14568, 14664, 15782, 16389, 16497, 19424, 19552, 20304, 21852, 21996, 23673, 28529, 29136, 29328, 31564, 32778, 32994, 40608, 43704, 43992, 47346, 57058, 58272, 58656, 63128, 65556, 65988, 71019, 85587, 87408, 87984, 94692, 114116, 126256, 131112, 131976, 142038, 171174, 174816, 175968, 189384, 213057, 228232, 252512, 256761, 262224, 263952, 284076, 342348, 370877, 378768, 426114, 456464, 513522, 524448, 527904, 568152, 684696, 741754, 757536, 770283, 852228, 912928, 1027044, 1112631, 1136304, 1369392, 1483508, 1540566, 1704456, 2054088, 2225262, 2272608, 2738784, 2967016, 3081132, 3337893, 3408912, 4108176, 4450524, 5934032, 6162264, 6675786, 6817824, 8216352, 8901048, 10013679, 11868064, 12324528, 13351572, 17802096, 20027358, 24649056, 26703144, 35604192, 40054716, 53406288, 80109432, 106812576, 160218864, 320437728]

約数ペア:

[(1, 320437728), (2, 160218864), (3, 106812576), (4, 80109432), (6, 53406288), (8, 40054716), (9, 35604192), (12, 26703144), (13, 24649056), (16, 20027358), (18, 17802096), (24, 13351572), (26, 12324528), (27, 11868064), (32, 10013679), (36, 8901048), (39, 8216352), (47, 6817824), (48, 6675786), (52, 6162264), (54, 5934032), (72, 4450524), (78, 4108176), (94, 3408912), (96, 3337893), (104, 3081132), (108, 2967016), (117, 2738784), (141, 2272608), (144, 2225262), (156, 2054088), (188, 1704456), (208, 1540566), (216, 1483508), (234, 1369392), (282, 1136304), (288, 1112631), (312, 1027044), (351, 912928), (376, 852228), (416, 770283), (423, 757536), (432, 741754), (468, 684696), (564, 568152), (607, 527904), (611, 524448), (624, 513522), (702, 456464), (752, 426114), (846, 378768), (864, 370877), (936, 342348), (1128, 284076), (1214, 263952), (1222, 262224), (1248, 256761), (1269, 252512), (1404, 228232), (1504, 213057), (1692, 189384), (1821, 175968), (1833, 174816), (1872, 171174), (2256, 142038), (2428, 131976), (2444, 131112), (2538, 126256), (2808, 114116), (3384, 94692), (3642, 87984), (3666, 87408), (3744, 85587), (4512, 71019), (4856, 65988), (4888, 65556), (5076, 63128), (5463, 58656), (5499, 58272), (5616, 57058), (6768, 47346), (7284, 43992), (7332, 43704), (7891, 40608), (9712, 32994), (9776, 32778), (10152, 31564), (10926, 29328), (10998, 29136), (11232, 28529), (13536, 23673), (14568, 21996), (14664, 21852), (15782, 20304), (16389, 19552), (16497, 19424)]