31851720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{859}}^1$

素因数の和:979

約数の個数: 96

約数和(自身を含む): 104644800

約数和(自身を除く): 72793080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 103, 120, 180, 206, 309, 360, 412, 515, 618, 824, 859, 927, 1030, 1236, 1545, 1718, 1854, 2060, 2472, 2577, 3090, 3436, 3708, 4120, 4295, 4635, 5154, 6180, 6872, 7416, 7731, 8590, 9270, 10308, 12360, 12885, 15462, 17180, 18540, 20616, 25770, 30924, 34360, 37080, 38655, 51540, 61848, 77310, 88477, 103080, 154620, 176954, 265431, 309240, 353908, 442385, 530862, 707816, 796293, 884770, 1061724, 1327155, 1592586, 1769540, 2123448, 2654310, 3185172, 3539080, 3981465, 5308620, 6370344, 7962930, 10617240, 15925860, 31851720]

約数ペア:

[(1, 31851720), (2, 15925860), (3, 10617240), (4, 7962930), (5, 6370344), (6, 5308620), (8, 3981465), (9, 3539080), (10, 3185172), (12, 2654310), (15, 2123448), (18, 1769540), (20, 1592586), (24, 1327155), (30, 1061724), (36, 884770), (40, 796293), (45, 707816), (60, 530862), (72, 442385), (90, 353908), (103, 309240), (120, 265431), (180, 176954), (206, 154620), (309, 103080), (360, 88477), (412, 77310), (515, 61848), (618, 51540), (824, 38655), (859, 37080), (927, 34360), (1030, 30924), (1236, 25770), (1545, 20616), (1718, 18540), (1854, 17180), (2060, 15462), (2472, 12885), (2577, 12360), (3090, 10308), (3436, 9270), (3708, 8590), (4120, 7731), (4295, 7416), (4635, 6872), (5154, 6180)]