12787920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17761}}^1$

素因数の和:17780

約数の個数: 60

約数和(自身を含む): 42948516

約数和(自身を除く): 30160596

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 17761, 35522, 53283, 71044, 88805, 106566, 142088, 159849, 177610, 213132, 266415, 284176, 319698, 355220, 426264, 532830, 639396, 710440, 799245, 852528, 1065660, 1278792, 1420880, 1598490, 2131320, 2557584, 3196980, 4262640, 6393960, 12787920]

約数ペア:

[(1, 12787920), (2, 6393960), (3, 4262640), (4, 3196980), (5, 2557584), (6, 2131320), (8, 1598490), (9, 1420880), (10, 1278792), (12, 1065660), (15, 852528), (16, 799245), (18, 710440), (20, 639396), (24, 532830), (30, 426264), (36, 355220), (40, 319698), (45, 284176), (48, 266415), (60, 213132), (72, 177610), (80, 159849), (90, 142088), (120, 106566), (144, 88805), (180, 71044), (240, 53283), (360, 35522), (720, 17761)]