1681920720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{778667}}^1$

素因数の和:778689

約数の個数: 80

約数和(自身を含む): 5793289920

約数和(自身を除く): 4111369200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 778667, 1557334, 2336001, 3114668, 3893335, 4672002, 6229336, 7008003, 7786670, 9344004, 11680005, 12458672, 14016006, 15573340, 18688008, 21024009, 23360010, 28032012, 31146680, 35040015, 37376016, 42048018, 46720020, 56064024, 62293360, 70080030, 84096036, 93440040, 105120045, 112128048, 140160060, 168192072, 186880080, 210240090, 280320120, 336384144, 420480180, 560640240, 840960360, 1681920720]

約数ペア:

[(1, 1681920720), (2, 840960360), (3, 560640240), (4, 420480180), (5, 336384144), (6, 280320120), (8, 210240090), (9, 186880080), (10, 168192072), (12, 140160060), (15, 112128048), (16, 105120045), (18, 93440040), (20, 84096036), (24, 70080030), (27, 62293360), (30, 56064024), (36, 46720020), (40, 42048018), (45, 37376016), (48, 35040015), (54, 31146680), (60, 28032012), (72, 23360010), (80, 21024009), (90, 18688008), (108, 15573340), (120, 14016006), (135, 12458672), (144, 11680005), (180, 9344004), (216, 7786670), (240, 7008003), (270, 6229336), (360, 4672002), (432, 3893335), (540, 3114668), (720, 2336001), (1080, 1557334), (2160, 778667)]