18308320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 47029248

約数和(自身を除く): 28720928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 68, 80, 85, 106, 127, 136, 160, 170, 212, 254, 265, 272, 340, 424, 508, 530, 544, 635, 680, 848, 901, 1016, 1060, 1270, 1360, 1696, 1802, 2032, 2120, 2159, 2540, 2720, 3604, 4064, 4240, 4318, 4505, 5080, 6731, 7208, 8480, 8636, 9010, 10160, 10795, 13462, 14416, 17272, 18020, 20320, 21590, 26924, 28832, 33655, 34544, 36040, 43180, 53848, 67310, 69088, 72080, 86360, 107696, 114427, 134620, 144160, 172720, 215392, 228854, 269240, 345440, 457708, 538480, 572135, 915416, 1076960, 1144270, 1830832, 2288540, 3661664, 4577080, 9154160, 18308320]

約数ペア:

[(1, 18308320), (2, 9154160), (4, 4577080), (5, 3661664), (8, 2288540), (10, 1830832), (16, 1144270), (17, 1076960), (20, 915416), (32, 572135), (34, 538480), (40, 457708), (53, 345440), (68, 269240), (80, 228854), (85, 215392), (106, 172720), (127, 144160), (136, 134620), (160, 114427), (170, 107696), (212, 86360), (254, 72080), (265, 69088), (272, 67310), (340, 53848), (424, 43180), (508, 36040), (530, 34544), (544, 33655), (635, 28832), (680, 26924), (848, 21590), (901, 20320), (1016, 18020), (1060, 17272), (1270, 14416), (1360, 13462), (1696, 10795), (1802, 10160), (2032, 9010), (2120, 8636), (2159, 8480), (2540, 7208), (2720, 6731), (3604, 5080), (4064, 4505), (4240, 4318)]