78527540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3319}}^1$

素因数の和:3361

約数の個数: 72

約数和(自身を含む): 204140160

約数和(自身を除く): 125612620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3319, 3380, 4732, 5915, 6638, 11830, 13276, 16595, 23233, 23660, 33190, 43147, 46466, 66380, 86294, 92932, 116165, 172588, 215735, 232330, 302029, 431470, 464660, 560911, 604058, 862940, 1121822, 1208116, 1510145, 2243644, 2804555, 3020290, 3926377, 5609110, 6040580, 7852754, 11218220, 15705508, 19631885, 39263770, 78527540]

約数ペア:

[(1, 78527540), (2, 39263770), (4, 19631885), (5, 15705508), (7, 11218220), (10, 7852754), (13, 6040580), (14, 5609110), (20, 3926377), (26, 3020290), (28, 2804555), (35, 2243644), (52, 1510145), (65, 1208116), (70, 1121822), (91, 862940), (130, 604058), (140, 560911), (169, 464660), (182, 431470), (260, 302029), (338, 232330), (364, 215735), (455, 172588), (676, 116165), (845, 92932), (910, 86294), (1183, 66380), (1690, 46466), (1820, 43147), (2366, 33190), (3319, 23660), (3380, 23233), (4732, 16595), (5915, 13276), (6638, 11830)]