201978720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{140263}}^1$

素因数の和:140284

約数の個数: 72

約数和(自身を含む): 689257296

約数和(自身を除く): 487278576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 140263, 280526, 420789, 561052, 701315, 841578, 1122104, 1262367, 1402630, 1683156, 2103945, 2244208, 2524734, 2805260, 3366312, 4207890, 4488416, 5049468, 5610520, 6311835, 6732624, 8415780, 10098936, 11221040, 12623670, 13465248, 16831560, 20197872, 22442080, 25247340, 33663120, 40395744, 50494680, 67326240, 100989360, 201978720]

約数ペア:

[(1, 201978720), (2, 100989360), (3, 67326240), (4, 50494680), (5, 40395744), (6, 33663120), (8, 25247340), (9, 22442080), (10, 20197872), (12, 16831560), (15, 13465248), (16, 12623670), (18, 11221040), (20, 10098936), (24, 8415780), (30, 6732624), (32, 6311835), (36, 5610520), (40, 5049468), (45, 4488416), (48, 4207890), (60, 3366312), (72, 2805260), (80, 2524734), (90, 2244208), (96, 2103945), (120, 1683156), (144, 1402630), (160, 1262367), (180, 1122104), (240, 841578), (288, 701315), (360, 561052), (480, 420789), (720, 280526), (1440, 140263)]