31684276520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61609}}^1$

素因数の和:61699

約数の個数: 128

約数和(自身を含む): 81975801600

約数和(自身を除く): 50291525080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 43, 46, 52, 65, 86, 92, 104, 115, 130, 172, 184, 215, 230, 260, 299, 344, 430, 460, 520, 559, 598, 860, 920, 989, 1118, 1196, 1495, 1720, 1978, 2236, 2392, 2795, 2990, 3956, 4472, 4945, 5590, 5980, 7912, 9890, 11180, 11960, 12857, 19780, 22360, 25714, 39560, 51428, 61609, 64285, 102856, 123218, 128570, 246436, 257140, 308045, 492872, 514280, 616090, 800917, 1232180, 1417007, 1601834, 2464360, 2649187, 2834014, 3203668, 4004585, 5298374, 5668028, 6407336, 7085035, 8009170, 10596748, 11336056, 13245935, 14170070, 16018340, 18421091, 21193496, 26491870, 28340140, 32036680, 34439431, 36842182, 52983740, 56680280, 60931301, 68878862, 73684364, 92105455, 105967480, 121862602, 137757724, 147368728, 172197155, 184210910, 243725204, 275515448, 304656505, 344394310, 368421820, 487450408, 609313010, 688788620, 736843640, 792106913, 1218626020, 1377577240, 1584213826, 2437252040, 3168427652, 3960534565, 6336855304, 7921069130, 15842138260, 31684276520]

約数ペア:

[(1, 31684276520), (2, 15842138260), (4, 7921069130), (5, 6336855304), (8, 3960534565), (10, 3168427652), (13, 2437252040), (20, 1584213826), (23, 1377577240), (26, 1218626020), (40, 792106913), (43, 736843640), (46, 688788620), (52, 609313010), (65, 487450408), (86, 368421820), (92, 344394310), (104, 304656505), (115, 275515448), (130, 243725204), (172, 184210910), (184, 172197155), (215, 147368728), (230, 137757724), (260, 121862602), (299, 105967480), (344, 92105455), (430, 73684364), (460, 68878862), (520, 60931301), (559, 56680280), (598, 52983740), (860, 36842182), (920, 34439431), (989, 32036680), (1118, 28340140), (1196, 26491870), (1495, 21193496), (1720, 18421091), (1978, 16018340), (2236, 14170070), (2392, 13245935), (2795, 11336056), (2990, 10596748), (3956, 8009170), (4472, 7085035), (4945, 6407336), (5590, 5668028), (5980, 5298374), (7912, 4004585), (9890, 3203668), (11180, 2834014), (11960, 2649187), (12857, 2464360), (19780, 1601834), (22360, 1417007), (25714, 1232180), (39560, 800917), (51428, 616090), (61609, 514280), (64285, 492872), (102856, 308045), (123218, 257140), (128570, 246436)]