68002720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1142

約数の個数: 96

約数和(自身を含む): 177666048

約数和(自身を除く): 109663328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 68, 80, 85, 92, 115, 136, 160, 170, 184, 230, 272, 340, 368, 391, 460, 544, 680, 736, 782, 920, 1087, 1360, 1564, 1840, 1955, 2174, 2720, 3128, 3680, 3910, 4348, 5435, 6256, 7820, 8696, 10870, 12512, 15640, 17392, 18479, 21740, 25001, 31280, 34784, 36958, 43480, 50002, 62560, 73916, 86960, 92395, 100004, 125005, 147832, 173920, 184790, 200008, 250010, 295664, 369580, 400016, 425017, 500020, 591328, 739160, 800032, 850034, 1000040, 1478320, 1700068, 2000080, 2125085, 2956640, 3400136, 4000160, 4250170, 6800272, 8500340, 13600544, 17000680, 34001360, 68002720]

約数ペア:

[(1, 68002720), (2, 34001360), (4, 17000680), (5, 13600544), (8, 8500340), (10, 6800272), (16, 4250170), (17, 4000160), (20, 3400136), (23, 2956640), (32, 2125085), (34, 2000080), (40, 1700068), (46, 1478320), (68, 1000040), (80, 850034), (85, 800032), (92, 739160), (115, 591328), (136, 500020), (160, 425017), (170, 400016), (184, 369580), (230, 295664), (272, 250010), (340, 200008), (368, 184790), (391, 173920), (460, 147832), (544, 125005), (680, 100004), (736, 92395), (782, 86960), (920, 73916), (1087, 62560), (1360, 50002), (1564, 43480), (1840, 36958), (1955, 34784), (2174, 31280), (2720, 25001), (3128, 21740), (3680, 18479), (3910, 17392), (4348, 15640), (5435, 12512), (6256, 10870), (7820, 8696)]