172924020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15749}}^1$

素因数の和:15825

約数の個数: 72

約数和(自身を含む): 533169000

約数和(自身を除く): 360244980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 15749, 31498, 47247, 62996, 78745, 94494, 141741, 157490, 188988, 236235, 283482, 314980, 472470, 566964, 708705, 944940, 960689, 1417410, 1921378, 2834820, 2882067, 3842756, 4803445, 5764134, 8646201, 9606890, 11528268, 14410335, 17292402, 19213780, 28820670, 34584804, 43231005, 57641340, 86462010, 172924020]

約数ペア:

[(1, 172924020), (2, 86462010), (3, 57641340), (4, 43231005), (5, 34584804), (6, 28820670), (9, 19213780), (10, 17292402), (12, 14410335), (15, 11528268), (18, 9606890), (20, 8646201), (30, 5764134), (36, 4803445), (45, 3842756), (60, 2882067), (61, 2834820), (90, 1921378), (122, 1417410), (180, 960689), (183, 944940), (244, 708705), (305, 566964), (366, 472470), (549, 314980), (610, 283482), (732, 236235), (915, 188988), (1098, 157490), (1220, 141741), (1830, 94494), (2196, 78745), (2745, 62996), (3660, 47247), (5490, 31498), (10980, 15749)]