31267760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 78182496

約数和(自身を除く): 46914736

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 166, 170, 272, 277, 332, 340, 415, 554, 664, 680, 830, 1108, 1328, 1360, 1385, 1411, 1660, 2216, 2770, 2822, 3320, 4432, 4709, 5540, 5644, 6640, 7055, 9418, 11080, 11288, 14110, 18836, 22160, 22576, 22991, 23545, 28220, 37672, 45982, 47090, 56440, 75344, 91964, 94180, 112880, 114955, 183928, 188360, 229910, 367856, 376720, 390847, 459820, 781694, 919640, 1563388, 1839280, 1954235, 3126776, 3908470, 6253552, 7816940, 15633880, 31267760]

約数ペア:

[(1, 31267760), (2, 15633880), (4, 7816940), (5, 6253552), (8, 3908470), (10, 3126776), (16, 1954235), (17, 1839280), (20, 1563388), (34, 919640), (40, 781694), (68, 459820), (80, 390847), (83, 376720), (85, 367856), (136, 229910), (166, 188360), (170, 183928), (272, 114955), (277, 112880), (332, 94180), (340, 91964), (415, 75344), (554, 56440), (664, 47090), (680, 45982), (830, 37672), (1108, 28220), (1328, 23545), (1360, 22991), (1385, 22576), (1411, 22160), (1660, 18836), (2216, 14110), (2770, 11288), (2822, 11080), (3320, 9418), (4432, 7055), (4709, 6640), (5540, 5644)]