72216640

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2719}}^1$

素因数の和:2819

約数の個数: 56

約数和(自身を含む): 174101760

約数和(自身を除く): 101885120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2656, 2719, 3320, 5312, 5438, 6640, 10876, 13280, 13595, 21752, 26560, 27190, 43504, 54380, 87008, 108760, 174016, 217520, 225677, 435040, 451354, 870080, 902708, 1128385, 1805416, 2256770, 3610832, 4513540, 7221664, 9027080, 14443328, 18054160, 36108320, 72216640]

約数ペア:

[(1, 72216640), (2, 36108320), (4, 18054160), (5, 14443328), (8, 9027080), (10, 7221664), (16, 4513540), (20, 3610832), (32, 2256770), (40, 1805416), (64, 1128385), (80, 902708), (83, 870080), (160, 451354), (166, 435040), (320, 225677), (332, 217520), (415, 174016), (664, 108760), (830, 87008), (1328, 54380), (1660, 43504), (2656, 27190), (2719, 26560), (3320, 21752), (5312, 13595), (5438, 13280), (6640, 10876)]