80636220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63997}}^1$

素因数の和:64019

約数の個数: 72

約数和(自身を含む): 279543264

約数和(自身を除く): 198907044

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, 63997, 127994, 191991, 255988, 319985, 383982, 447979, 575973, 639970, 767964, 895958, 959955, 1151946, 1279940, 1343937, 1791916, 1919910, 2239895, 2303892, 2687874, 2879865, 3839820, 4031811, 4479790, 5375748, 5759730, 6719685, 8063622, 8959580, 11519460, 13439370, 16127244, 20159055, 26878740, 40318110, 80636220]

約数ペア:

[(1, 80636220), (2, 40318110), (3, 26878740), (4, 20159055), (5, 16127244), (6, 13439370), (7, 11519460), (9, 8959580), (10, 8063622), (12, 6719685), (14, 5759730), (15, 5375748), (18, 4479790), (20, 4031811), (21, 3839820), (28, 2879865), (30, 2687874), (35, 2303892), (36, 2239895), (42, 1919910), (45, 1791916), (60, 1343937), (63, 1279940), (70, 1151946), (84, 959955), (90, 895958), (105, 767964), (126, 639970), (140, 575973), (180, 447979), (210, 383982), (252, 319985), (315, 255988), (420, 191991), (630, 127994), (1260, 63997)]