81600720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3301}}^1$

素因数の和:3420

約数の個数: 80

約数和(自身を含む): 255495552

約数和(自身を除く): 173894832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1648, 2060, 2472, 3090, 3301, 4120, 4944, 6180, 6602, 8240, 9903, 12360, 13204, 16505, 19806, 24720, 26408, 33010, 39612, 49515, 52816, 66020, 79224, 99030, 132040, 158448, 198060, 264080, 340003, 396120, 680006, 792240, 1020009, 1360012, 1700015, 2040018, 2720024, 3400030, 4080036, 5100045, 5440048, 6800060, 8160072, 10200090, 13600120, 16320144, 20400180, 27200240, 40800360, 81600720]

約数ペア:

[(1, 81600720), (2, 40800360), (3, 27200240), (4, 20400180), (5, 16320144), (6, 13600120), (8, 10200090), (10, 8160072), (12, 6800060), (15, 5440048), (16, 5100045), (20, 4080036), (24, 3400030), (30, 2720024), (40, 2040018), (48, 1700015), (60, 1360012), (80, 1020009), (103, 792240), (120, 680006), (206, 396120), (240, 340003), (309, 264080), (412, 198060), (515, 158448), (618, 132040), (824, 99030), (1030, 79224), (1236, 66020), (1545, 52816), (1648, 49515), (2060, 39612), (2472, 33010), (3090, 26408), (3301, 24720), (4120, 19806), (4944, 16505), (6180, 13204), (6602, 12360), (8240, 9903)]