201272220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15749}}^1$

素因数の和:15835

約数の個数: 72

約数和(自身を含む): 619164000

約数和(自身を除く): 417891780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 15749, 31498, 47247, 62996, 78745, 94494, 141741, 157490, 188988, 236235, 283482, 314980, 472470, 566964, 708705, 944940, 1118179, 1417410, 2236358, 2834820, 3354537, 4472716, 5590895, 6709074, 10063611, 11181790, 13418148, 16772685, 20127222, 22363580, 33545370, 40254444, 50318055, 67090740, 100636110, 201272220]

約数ペア:

[(1, 201272220), (2, 100636110), (3, 67090740), (4, 50318055), (5, 40254444), (6, 33545370), (9, 22363580), (10, 20127222), (12, 16772685), (15, 13418148), (18, 11181790), (20, 10063611), (30, 6709074), (36, 5590895), (45, 4472716), (60, 3354537), (71, 2834820), (90, 2236358), (142, 1417410), (180, 1118179), (213, 944940), (284, 708705), (355, 566964), (426, 472470), (639, 314980), (710, 283482), (852, 236235), (1065, 188988), (1278, 157490), (1420, 141741), (2130, 94494), (2556, 78745), (3195, 62996), (4260, 47247), (6390, 31498), (12780, 15749)]