68492320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 186769800

約数和(自身を除く): 118277480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 149, 160, 169, 170, 208, 221, 260, 272, 298, 338, 340, 416, 442, 520, 544, 596, 676, 680, 745, 845, 884, 1040, 1105, 1192, 1352, 1360, 1490, 1690, 1768, 1937, 2080, 2210, 2384, 2533, 2704, 2720, 2873, 2980, 3380, 3536, 3874, 4420, 4768, 5066, 5408, 5746, 5960, 6760, 7072, 7748, 8840, 9685, 10132, 11492, 11920, 12665, 13520, 14365, 15496, 17680, 19370, 20264, 22984, 23840, 25181, 25330, 27040, 28730, 30992, 32929, 35360, 38740, 40528, 45968, 50362, 50660, 57460, 61984, 65858, 77480, 81056, 91936, 100724, 101320, 114920, 125905, 131716, 154960, 164645, 201448, 202640, 229840, 251810, 263432, 309920, 329290, 402896, 405280, 428077, 459680, 503620, 526864, 658580, 805792, 856154, 1007240, 1053728, 1317160, 1712308, 2014480, 2140385, 2634320, 3424616, 4028960, 4280770, 5268640, 6849232, 8561540, 13698464, 17123080, 34246160, 68492320]

約数ペア:

[(1, 68492320), (2, 34246160), (4, 17123080), (5, 13698464), (8, 8561540), (10, 6849232), (13, 5268640), (16, 4280770), (17, 4028960), (20, 3424616), (26, 2634320), (32, 2140385), (34, 2014480), (40, 1712308), (52, 1317160), (65, 1053728), (68, 1007240), (80, 856154), (85, 805792), (104, 658580), (130, 526864), (136, 503620), (149, 459680), (160, 428077), (169, 405280), (170, 402896), (208, 329290), (221, 309920), (260, 263432), (272, 251810), (298, 229840), (338, 202640), (340, 201448), (416, 164645), (442, 154960), (520, 131716), (544, 125905), (596, 114920), (676, 101320), (680, 100724), (745, 91936), (845, 81056), (884, 77480), (1040, 65858), (1105, 61984), (1192, 57460), (1352, 50660), (1360, 50362), (1490, 45968), (1690, 40528), (1768, 38740), (1937, 35360), (2080, 32929), (2210, 30992), (2384, 28730), (2533, 27040), (2704, 25330), (2720, 25181), (2873, 23840), (2980, 22984), (3380, 20264), (3536, 19370), (3874, 17680), (4420, 15496), (4768, 14365), (5066, 13520), (5408, 12665), (5746, 11920), (5960, 11492), (6760, 10132), (7072, 9685), (7748, 8840)]