308394720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{214163}}^1$

素因数の和:214184

約数の個数: 72

約数和(自身を含む): 1052401896

約数和(自身を除く): 744007176

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, 214163, 428326, 642489, 856652, 1070815, 1284978, 1713304, 1927467, 2141630, 2569956, 3212445, 3426608, 3854934, 4283260, 5139912, 6424890, 6853216, 7709868, 8566520, 9637335, 10279824, 12849780, 15419736, 17133040, 19274670, 20559648, 25699560, 30839472, 34266080, 38549340, 51399120, 61678944, 77098680, 102798240, 154197360, 308394720]

約数ペア:

[(1, 308394720), (2, 154197360), (3, 102798240), (4, 77098680), (5, 61678944), (6, 51399120), (8, 38549340), (9, 34266080), (10, 30839472), (12, 25699560), (15, 20559648), (16, 19274670), (18, 17133040), (20, 15419736), (24, 12849780), (30, 10279824), (32, 9637335), (36, 8566520), (40, 7709868), (45, 6853216), (48, 6424890), (60, 5139912), (72, 4283260), (80, 3854934), (90, 3426608), (96, 3212445), (120, 2569956), (144, 2141630), (160, 1927467), (180, 1713304), (240, 1284978), (288, 1070815), (360, 856652), (480, 642489), (720, 428326), (1440, 214163)]