16780500720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23306251}}^1$

素因数の和:23306270

約数の個数: 60

約数和(自身を含む): 56354517336

約数和(自身を除く): 39574016616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 23306251, 46612502, 69918753, 93225004, 116531255, 139837506, 186450008, 209756259, 233062510, 279675012, 349593765, 372900016, 419512518, 466125020, 559350024, 699187530, 839025036, 932250040, 1048781295, 1118700048, 1398375060, 1678050072, 1864500080, 2097562590, 2796750120, 3356100144, 4195125180, 5593500240, 8390250360, 16780500720]

約数ペア:

[(1, 16780500720), (2, 8390250360), (3, 5593500240), (4, 4195125180), (5, 3356100144), (6, 2796750120), (8, 2097562590), (9, 1864500080), (10, 1678050072), (12, 1398375060), (15, 1118700048), (16, 1048781295), (18, 932250040), (20, 839025036), (24, 699187530), (30, 559350024), (36, 466125020), (40, 419512518), (45, 372900016), (48, 349593765), (60, 279675012), (72, 233062510), (80, 209756259), (90, 186450008), (120, 139837506), (144, 116531255), (180, 93225004), (240, 69918753), (360, 46612502), (720, 23306251)]