138405540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25349}}^1$

素因数の和:25381

約数の個数: 96

約数和(自身を含む): 476985600

約数和(自身を除く): 338580060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 25349, 50698, 76047, 101396, 126745, 152094, 177443, 253490, 304188, 329537, 354886, 380235, 506980, 532329, 659074, 709772, 760470, 887215, 988611, 1064658, 1318148, 1520940, 1647685, 1774430, 1977222, 2129316, 2306759, 2661645, 3295370, 3548860, 3954444, 4613518, 4943055, 5323290, 6590740, 6920277, 9227036, 9886110, 10646580, 11533795, 13840554, 19772220, 23067590, 27681108, 34601385, 46135180, 69202770, 138405540]

約数ペア:

[(1, 138405540), (2, 69202770), (3, 46135180), (4, 34601385), (5, 27681108), (6, 23067590), (7, 19772220), (10, 13840554), (12, 11533795), (13, 10646580), (14, 9886110), (15, 9227036), (20, 6920277), (21, 6590740), (26, 5323290), (28, 4943055), (30, 4613518), (35, 3954444), (39, 3548860), (42, 3295370), (52, 2661645), (60, 2306759), (65, 2129316), (70, 1977222), (78, 1774430), (84, 1647685), (91, 1520940), (105, 1318148), (130, 1064658), (140, 988611), (156, 887215), (182, 760470), (195, 709772), (210, 659074), (260, 532329), (273, 506980), (364, 380235), (390, 354886), (420, 329537), (455, 304188), (546, 253490), (780, 177443), (910, 152094), (1092, 126745), (1365, 101396), (1820, 76047), (2730, 50698), (5460, 25349)]