642421080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{254929}}^1$

素因数の和:254953

約数の個数: 96

約数和(自身を含む): 2386144800

約数和(自身を除く): 1743723720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 254929, 509858, 764787, 1019716, 1274645, 1529574, 1784503, 2039432, 2294361, 2549290, 3059148, 3569006, 3823935, 4588722, 5098580, 5353509, 6118296, 7138012, 7647870, 8922515, 9177444, 10197160, 10707018, 11471805, 14276024, 15295740, 16060527, 17845030, 18354888, 21414036, 22943610, 26767545, 30591480, 32121054, 35690060, 42828072, 45887220, 53535090, 64242108, 71380120, 80302635, 91774440, 107070180, 128484216, 160605270, 214140360, 321210540, 642421080]

約数ペア:

[(1, 642421080), (2, 321210540), (3, 214140360), (4, 160605270), (5, 128484216), (6, 107070180), (7, 91774440), (8, 80302635), (9, 71380120), (10, 64242108), (12, 53535090), (14, 45887220), (15, 42828072), (18, 35690060), (20, 32121054), (21, 30591480), (24, 26767545), (28, 22943610), (30, 21414036), (35, 18354888), (36, 17845030), (40, 16060527), (42, 15295740), (45, 14276024), (56, 11471805), (60, 10707018), (63, 10197160), (70, 9177444), (72, 8922515), (84, 7647870), (90, 7138012), (105, 6118296), (120, 5353509), (126, 5098580), (140, 4588722), (168, 3823935), (180, 3569006), (210, 3059148), (252, 2549290), (280, 2294361), (315, 2039432), (360, 1784503), (420, 1529574), (504, 1274645), (630, 1019716), (840, 764787), (1260, 509858), (2520, 254929)]