287724780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{228353}}^1$

素因数の和:228375

約数の個数: 72

約数和(自身を含む): 997450272

約数和(自身を除く): 709725492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 228353, 456706, 685059, 913412, 1141765, 1370118, 1598471, 2055177, 2283530, 2740236, 3196942, 3425295, 4110354, 4567060, 4795413, 6393884, 6850590, 7992355, 8220708, 9590826, 10275885, 13701180, 14386239, 15984710, 19181652, 20551770, 23977065, 28772478, 31969420, 41103540, 47954130, 57544956, 71931195, 95908260, 143862390, 287724780]

約数ペア:

[(1, 287724780), (2, 143862390), (3, 95908260), (4, 71931195), (5, 57544956), (6, 47954130), (7, 41103540), (9, 31969420), (10, 28772478), (12, 23977065), (14, 20551770), (15, 19181652), (18, 15984710), (20, 14386239), (21, 13701180), (28, 10275885), (30, 9590826), (35, 8220708), (36, 7992355), (42, 6850590), (45, 6393884), (60, 4795413), (63, 4567060), (70, 4110354), (84, 3425295), (90, 3196942), (105, 2740236), (126, 2283530), (140, 2055177), (180, 1598471), (210, 1370118), (252, 1141765), (315, 913412), (420, 685059), (630, 456706), (1260, 228353)]