68822780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1753}}^1$

素因数の和:1926

約数の個数: 48

約数和(自身を含む): 156765504

約数和(自身を除く): 87942724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 1510, 1753, 1963, 3020, 3506, 3926, 7012, 7852, 8765, 9815, 17530, 19630, 22789, 35060, 39260, 45578, 91156, 113945, 227890, 264703, 455780, 529406, 1058812, 1323515, 2647030, 3441139, 5294060, 6882278, 13764556, 17205695, 34411390, 68822780]

約数ペア:

[(1, 68822780), (2, 34411390), (4, 17205695), (5, 13764556), (10, 6882278), (13, 5294060), (20, 3441139), (26, 2647030), (52, 1323515), (65, 1058812), (130, 529406), (151, 455780), (260, 264703), (302, 227890), (604, 113945), (755, 91156), (1510, 45578), (1753, 39260), (1963, 35060), (3020, 22789), (3506, 19630), (3926, 17530), (7012, 9815), (7852, 8765)]