320131656

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:860

約数の個数: 128

約数和(自身を含む): 964656000

約数和(自身を除く): 644524344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 173, 216, 234, 312, 346, 351, 468, 519, 659, 692, 702, 936, 1038, 1318, 1384, 1404, 1557, 1977, 2076, 2249, 2636, 2808, 3114, 3954, 4152, 4498, 4671, 5272, 5931, 6228, 6747, 7908, 8567, 8996, 9342, 11862, 12456, 13494, 15816, 17134, 17793, 17992, 18684, 20241, 23724, 25701, 26988, 34268, 35586, 37368, 40482, 47448, 51402, 53976, 60723, 68536, 71172, 77103, 80964, 102804, 114007, 121446, 142344, 154206, 161928, 205608, 228014, 231309, 242892, 308412, 342021, 456028, 462618, 485784, 616824, 684042, 912056, 925236, 1026063, 1368084, 1482091, 1850472, 2052126, 2736168, 2964182, 3078189, 4104252, 4446273, 5928364, 6156378, 8208504, 8892546, 11856728, 12312756, 13338819, 17785092, 24625512, 26677638, 35570184, 40016457, 53355276, 80032914, 106710552, 160065828, 320131656]

約数ペア:

[(1, 320131656), (2, 160065828), (3, 106710552), (4, 80032914), (6, 53355276), (8, 40016457), (9, 35570184), (12, 26677638), (13, 24625512), (18, 17785092), (24, 13338819), (26, 12312756), (27, 11856728), (36, 8892546), (39, 8208504), (52, 6156378), (54, 5928364), (72, 4446273), (78, 4104252), (104, 3078189), (108, 2964182), (117, 2736168), (156, 2052126), (173, 1850472), (216, 1482091), (234, 1368084), (312, 1026063), (346, 925236), (351, 912056), (468, 684042), (519, 616824), (659, 485784), (692, 462618), (702, 456028), (936, 342021), (1038, 308412), (1318, 242892), (1384, 231309), (1404, 228014), (1557, 205608), (1977, 161928), (2076, 154206), (2249, 142344), (2636, 121446), (2808, 114007), (3114, 102804), (3954, 80964), (4152, 77103), (4498, 71172), (4671, 68536), (5272, 60723), (5931, 53976), (6228, 51402), (6747, 47448), (7908, 40482), (8567, 37368), (8996, 35586), (9342, 34268), (11862, 26988), (12456, 25701), (13494, 23724), (15816, 20241), (17134, 18684), (17793, 17992)]