51013620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40487}}^1$

素因数の和:40509

約数の個数: 72

約数和(自身を含む): 176851584

約数和(自身を除く): 125837964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 40487, 80974, 121461, 161948, 202435, 242922, 283409, 364383, 404870, 485844, 566818, 607305, 728766, 809740, 850227, 1133636, 1214610, 1417045, 1457532, 1700454, 1821915, 2429220, 2550681, 2834090, 3400908, 3643830, 4251135, 5101362, 5668180, 7287660, 8502270, 10202724, 12753405, 17004540, 25506810, 51013620]

約数ペア:

[(1, 51013620), (2, 25506810), (3, 17004540), (4, 12753405), (5, 10202724), (6, 8502270), (7, 7287660), (9, 5668180), (10, 5101362), (12, 4251135), (14, 3643830), (15, 3400908), (18, 2834090), (20, 2550681), (21, 2429220), (28, 1821915), (30, 1700454), (35, 1457532), (36, 1417045), (42, 1214610), (45, 1133636), (60, 850227), (63, 809740), (70, 728766), (84, 607305), (90, 566818), (105, 485844), (126, 404870), (140, 364383), (180, 283409), (210, 242922), (252, 202435), (315, 161948), (420, 121461), (630, 80974), (1260, 40487)]