320473620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4229}}^1$

素因数の和:4665

約数の個数: 72

約数和(自身を含む): 974642760

約数和(自身を除く): 654169140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 1263, 1684, 2105, 2526, 3789, 4210, 4229, 5052, 6315, 7578, 8420, 8458, 12630, 12687, 15156, 16916, 18945, 21145, 25260, 25374, 37890, 38061, 42290, 50748, 63435, 75780, 76122, 84580, 126870, 152244, 190305, 253740, 380610, 761220, 1780409, 3560818, 5341227, 7121636, 8902045, 10682454, 16023681, 17804090, 21364908, 26706135, 32047362, 35608180, 53412270, 64094724, 80118405, 106824540, 160236810, 320473620]

約数ペア:

[(1, 320473620), (2, 160236810), (3, 106824540), (4, 80118405), (5, 64094724), (6, 53412270), (9, 35608180), (10, 32047362), (12, 26706135), (15, 21364908), (18, 17804090), (20, 16023681), (30, 10682454), (36, 8902045), (45, 7121636), (60, 5341227), (90, 3560818), (180, 1780409), (421, 761220), (842, 380610), (1263, 253740), (1684, 190305), (2105, 152244), (2526, 126870), (3789, 84580), (4210, 76122), (4229, 75780), (5052, 63435), (6315, 50748), (7578, 42290), (8420, 38061), (8458, 37890), (12630, 25374), (12687, 25260), (15156, 21145), (16916, 18945)]