164420640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{503}}^1$

素因数の和:751

約数の個数: 144

約数和(自身を含む): 564677568

約数和(自身を除く): 400256928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 227, 240, 288, 360, 454, 480, 503, 681, 720, 908, 1006, 1135, 1362, 1440, 1509, 1816, 2012, 2043, 2270, 2515, 2724, 3018, 3405, 3632, 4024, 4086, 4527, 4540, 5030, 5448, 6036, 6810, 7264, 7545, 8048, 8172, 9054, 9080, 10060, 10215, 10896, 12072, 13620, 15090, 16096, 16344, 18108, 18160, 20120, 20430, 21792, 22635, 24144, 27240, 30180, 32688, 36216, 36320, 40240, 40860, 45270, 48288, 54480, 60360, 65376, 72432, 80480, 81720, 90540, 108960, 114181, 120720, 144864, 163440, 181080, 228362, 241440, 326880, 342543, 362160, 456724, 570905, 685086, 724320, 913448, 1027629, 1141810, 1370172, 1712715, 1826896, 2055258, 2283620, 2740344, 3425430, 3653792, 4110516, 4567240, 5138145, 5480688, 6850860, 8221032, 9134480, 10276290, 10961376, 13701720, 16442064, 18268960, 20552580, 27403440, 32884128, 41105160, 54806880, 82210320, 164420640]

約数ペア:

[(1, 164420640), (2, 82210320), (3, 54806880), (4, 41105160), (5, 32884128), (6, 27403440), (8, 20552580), (9, 18268960), (10, 16442064), (12, 13701720), (15, 10961376), (16, 10276290), (18, 9134480), (20, 8221032), (24, 6850860), (30, 5480688), (32, 5138145), (36, 4567240), (40, 4110516), (45, 3653792), (48, 3425430), (60, 2740344), (72, 2283620), (80, 2055258), (90, 1826896), (96, 1712715), (120, 1370172), (144, 1141810), (160, 1027629), (180, 913448), (227, 724320), (240, 685086), (288, 570905), (360, 456724), (454, 362160), (480, 342543), (503, 326880), (681, 241440), (720, 228362), (908, 181080), (1006, 163440), (1135, 144864), (1362, 120720), (1440, 114181), (1509, 108960), (1816, 90540), (2012, 81720), (2043, 80480), (2270, 72432), (2515, 65376), (2724, 60360), (3018, 54480), (3405, 48288), (3632, 45270), (4024, 40860), (4086, 40240), (4527, 36320), (4540, 36216), (5030, 32688), (5448, 30180), (6036, 27240), (6810, 24144), (7264, 22635), (7545, 21792), (8048, 20430), (8172, 20120), (9054, 18160), (9080, 18108), (10060, 16344), (10215, 16096), (10896, 15090), (12072, 13620)]