159705780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{204751}}^1$

素因数の和:204776

約数の個数: 48

約数和(自身を含む): 481576704

約数和(自身を除く): 321870924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 204751, 409502, 614253, 819004, 1023755, 1228506, 2047510, 2457012, 2661763, 3071265, 4095020, 5323526, 6142530, 7985289, 10647052, 12285060, 13308815, 15970578, 26617630, 31941156, 39926445, 53235260, 79852890, 159705780]

約数ペア:

[(1, 159705780), (2, 79852890), (3, 53235260), (4, 39926445), (5, 31941156), (6, 26617630), (10, 15970578), (12, 13308815), (13, 12285060), (15, 10647052), (20, 7985289), (26, 6142530), (30, 5323526), (39, 4095020), (52, 3071265), (60, 2661763), (65, 2457012), (78, 2047510), (130, 1228506), (156, 1023755), (195, 819004), (260, 614253), (390, 409502), (780, 204751)]