64657440

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{1663}}^1$

素因数の和:1693

約数の個数: 144

約数和(自身を含む): 228953088

約数和(自身を除く): 164295648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1663, 1944, 2160, 2430, 2592, 3240, 3326, 3888, 4320, 4860, 4989, 6480, 6652, 7776, 8315, 9720, 9978, 12960, 13304, 14967, 16630, 19440, 19956, 24945, 26608, 29934, 33260, 38880, 39912, 44901, 49890, 53216, 59868, 66520, 74835, 79824, 89802, 99780, 119736, 133040, 134703, 149670, 159648, 179604, 199560, 224505, 239472, 266080, 269406, 299340, 359208, 399120, 404109, 449010, 478944, 538812, 598680, 673515, 718416, 798240, 808218, 898020, 1077624, 1197360, 1347030, 1436832, 1616436, 1796040, 2020545, 2155248, 2394720, 2694060, 3232872, 3592080, 4041090, 4310496, 5388120, 6465744, 7184160, 8082180, 10776240, 12931488, 16164360, 21552480, 32328720, 64657440]

約数ペア:

[(1, 64657440), (2, 32328720), (3, 21552480), (4, 16164360), (5, 12931488), (6, 10776240), (8, 8082180), (9, 7184160), (10, 6465744), (12, 5388120), (15, 4310496), (16, 4041090), (18, 3592080), (20, 3232872), (24, 2694060), (27, 2394720), (30, 2155248), (32, 2020545), (36, 1796040), (40, 1616436), (45, 1436832), (48, 1347030), (54, 1197360), (60, 1077624), (72, 898020), (80, 808218), (81, 798240), (90, 718416), (96, 673515), (108, 598680), (120, 538812), (135, 478944), (144, 449010), (160, 404109), (162, 399120), (180, 359208), (216, 299340), (240, 269406), (243, 266080), (270, 239472), (288, 224505), (324, 199560), (360, 179604), (405, 159648), (432, 149670), (480, 134703), (486, 133040), (540, 119736), (648, 99780), (720, 89802), (810, 79824), (864, 74835), (972, 66520), (1080, 59868), (1215, 53216), (1296, 49890), (1440, 44901), (1620, 39912), (1663, 38880), (1944, 33260), (2160, 29934), (2430, 26608), (2592, 24945), (3240, 19956), (3326, 19440), (3888, 16630), (4320, 14967), (4860, 13304), (4989, 12960), (6480, 9978), (6652, 9720), (7776, 8315)]