240668688

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 160

約数和(自身を含む): 717454080

約数和(自身を除く): 476785392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 41, 46, 48, 52, 69, 78, 82, 92, 104, 123, 138, 156, 164, 184, 208, 246, 276, 299, 312, 328, 368, 409, 492, 533, 552, 598, 624, 656, 818, 897, 943, 984, 1066, 1104, 1196, 1227, 1599, 1636, 1794, 1886, 1968, 2132, 2392, 2454, 2829, 3198, 3272, 3588, 3772, 4264, 4784, 4908, 5317, 5658, 6396, 6544, 7176, 7544, 8528, 9407, 9816, 10634, 11316, 12259, 12792, 14352, 15088, 15951, 16769, 18814, 19632, 21268, 22632, 24518, 25584, 28221, 31902, 33538, 36777, 37628, 42536, 45264, 49036, 50307, 56442, 63804, 67076, 73554, 75256, 85072, 98072, 100614, 112884, 122291, 127608, 134152, 147108, 150512, 196144, 201228, 217997, 225768, 244582, 255216, 268304, 294216, 366873, 385687, 402456, 435994, 451536, 489164, 588432, 653991, 733746, 771374, 804912, 871988, 978328, 1157061, 1307982, 1467492, 1542748, 1743976, 1956656, 2314122, 2615964, 2934984, 3085496, 3487952, 4628244, 5013931, 5231928, 5869968, 6170992, 9256488, 10027862, 10463856, 15041793, 18512976, 20055724, 30083586, 40111448, 60167172, 80222896, 120334344, 240668688]

約数ペア:

[(1, 240668688), (2, 120334344), (3, 80222896), (4, 60167172), (6, 40111448), (8, 30083586), (12, 20055724), (13, 18512976), (16, 15041793), (23, 10463856), (24, 10027862), (26, 9256488), (39, 6170992), (41, 5869968), (46, 5231928), (48, 5013931), (52, 4628244), (69, 3487952), (78, 3085496), (82, 2934984), (92, 2615964), (104, 2314122), (123, 1956656), (138, 1743976), (156, 1542748), (164, 1467492), (184, 1307982), (208, 1157061), (246, 978328), (276, 871988), (299, 804912), (312, 771374), (328, 733746), (368, 653991), (409, 588432), (492, 489164), (533, 451536), (552, 435994), (598, 402456), (624, 385687), (656, 366873), (818, 294216), (897, 268304), (943, 255216), (984, 244582), (1066, 225768), (1104, 217997), (1196, 201228), (1227, 196144), (1599, 150512), (1636, 147108), (1794, 134152), (1886, 127608), (1968, 122291), (2132, 112884), (2392, 100614), (2454, 98072), (2829, 85072), (3198, 75256), (3272, 73554), (3588, 67076), (3772, 63804), (4264, 56442), (4784, 50307), (4908, 49036), (5317, 45264), (5658, 42536), (6396, 37628), (6544, 36777), (7176, 33538), (7544, 31902), (8528, 28221), (9407, 25584), (9816, 24518), (10634, 22632), (11316, 21268), (12259, 19632), (12792, 18814), (14352, 16769), (15088, 15951)]