12721980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4931}}^1$

素因数の和:4986

約数の個数: 48

約数和(自身を含む): 36457344

約数和(自身を除く): 23735364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 4931, 9862, 14793, 19724, 24655, 29586, 49310, 59172, 73965, 98620, 147930, 212033, 295860, 424066, 636099, 848132, 1060165, 1272198, 2120330, 2544396, 3180495, 4240660, 6360990, 12721980]

約数ペア:

[(1, 12721980), (2, 6360990), (3, 4240660), (4, 3180495), (5, 2544396), (6, 2120330), (10, 1272198), (12, 1060165), (15, 848132), (20, 636099), (30, 424066), (43, 295860), (60, 212033), (86, 147930), (129, 98620), (172, 73965), (215, 59172), (258, 49310), (430, 29586), (516, 24655), (645, 19724), (860, 14793), (1290, 9862), (2580, 4931)]