320475168

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{85597}}^1$

素因数の和:85626

約数の個数: 72

約数和(自身を含む): 981466668

約数和(自身を除く): 660991500

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 85597, 171194, 256791, 342388, 513582, 684776, 770373, 1027164, 1112761, 1369552, 1540746, 2054328, 2225522, 2739104, 3081492, 3338283, 4108656, 4451044, 6162984, 6676566, 8217312, 8902088, 10014849, 12325968, 13353132, 17804176, 20029698, 24651936, 26706264, 35608352, 40059396, 53412528, 80118792, 106825056, 160237584, 320475168]

約数ペア:

[(1, 320475168), (2, 160237584), (3, 106825056), (4, 80118792), (6, 53412528), (8, 40059396), (9, 35608352), (12, 26706264), (13, 24651936), (16, 20029698), (18, 17804176), (24, 13353132), (26, 12325968), (32, 10014849), (36, 8902088), (39, 8217312), (48, 6676566), (52, 6162984), (72, 4451044), (78, 4108656), (96, 3338283), (104, 3081492), (117, 2739104), (144, 2225522), (156, 2054328), (208, 1540746), (234, 1369552), (288, 1112761), (312, 1027164), (416, 770373), (468, 684776), (624, 513582), (936, 342388), (1248, 256791), (1872, 171194), (3744, 85597)]