19297440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1489}}^1$

素因数の和:1516

約数の個数: 120

約数和(自身を含む): 68149620

約数和(自身を除く): 48852180

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, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1489, 1620, 2160, 2592, 2978, 3240, 4320, 4467, 5956, 6480, 7445, 8934, 11912, 12960, 13401, 14890, 17868, 22335, 23824, 26802, 29780, 35736, 40203, 44670, 47648, 53604, 59560, 67005, 71472, 80406, 89340, 107208, 119120, 120609, 134010, 142944, 160812, 178680, 201015, 214416, 238240, 241218, 268020, 321624, 357360, 402030, 428832, 482436, 536040, 603045, 643248, 714720, 804060, 964872, 1072080, 1206090, 1286496, 1608120, 1929744, 2144160, 2412180, 3216240, 3859488, 4824360, 6432480, 9648720, 19297440]

約数ペア:

[(1, 19297440), (2, 9648720), (3, 6432480), (4, 4824360), (5, 3859488), (6, 3216240), (8, 2412180), (9, 2144160), (10, 1929744), (12, 1608120), (15, 1286496), (16, 1206090), (18, 1072080), (20, 964872), (24, 804060), (27, 714720), (30, 643248), (32, 603045), (36, 536040), (40, 482436), (45, 428832), (48, 402030), (54, 357360), (60, 321624), (72, 268020), (80, 241218), (81, 238240), (90, 214416), (96, 201015), (108, 178680), (120, 160812), (135, 142944), (144, 134010), (160, 120609), (162, 119120), (180, 107208), (216, 89340), (240, 80406), (270, 71472), (288, 67005), (324, 59560), (360, 53604), (405, 47648), (432, 44670), (480, 40203), (540, 35736), (648, 29780), (720, 26802), (810, 23824), (864, 22335), (1080, 17868), (1296, 14890), (1440, 13401), (1489, 12960), (1620, 11912), (2160, 8934), (2592, 7445), (2978, 6480), (3240, 5956), (4320, 4467)]