16218720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{1609}}^1$

素因数の和:1637

約数の個数: 144

約数和(自身を含む): 63292320

約数和(自身を除く): 47073600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1609, 1680, 2016, 2520, 3218, 3360, 4827, 5040, 6436, 8045, 9654, 10080, 11263, 12872, 14481, 16090, 19308, 22526, 24135, 25744, 28962, 32180, 33789, 38616, 45052, 48270, 51488, 56315, 57924, 64360, 67578, 72405, 77232, 90104, 96540, 101367, 112630, 115848, 128720, 135156, 144810, 154464, 168945, 180208, 193080, 202734, 225260, 231696, 257440, 270312, 289620, 337890, 360416, 386160, 405468, 450520, 463392, 506835, 540624, 579240, 675780, 772320, 810936, 901040, 1013670, 1081248, 1158480, 1351560, 1621872, 1802080, 2027340, 2316960, 2703120, 3243744, 4054680, 5406240, 8109360, 16218720]

約数ペア:

[(1, 16218720), (2, 8109360), (3, 5406240), (4, 4054680), (5, 3243744), (6, 2703120), (7, 2316960), (8, 2027340), (9, 1802080), (10, 1621872), (12, 1351560), (14, 1158480), (15, 1081248), (16, 1013670), (18, 901040), (20, 810936), (21, 772320), (24, 675780), (28, 579240), (30, 540624), (32, 506835), (35, 463392), (36, 450520), (40, 405468), (42, 386160), (45, 360416), (48, 337890), (56, 289620), (60, 270312), (63, 257440), (70, 231696), (72, 225260), (80, 202734), (84, 193080), (90, 180208), (96, 168945), (105, 154464), (112, 144810), (120, 135156), (126, 128720), (140, 115848), (144, 112630), (160, 101367), (168, 96540), (180, 90104), (210, 77232), (224, 72405), (240, 67578), (252, 64360), (280, 57924), (288, 56315), (315, 51488), (336, 48270), (360, 45052), (420, 38616), (480, 33789), (504, 32180), (560, 28962), (630, 25744), (672, 24135), (720, 22526), (840, 19308), (1008, 16090), (1120, 14481), (1260, 12872), (1440, 11263), (1609, 10080), (1680, 9654), (2016, 8045), (2520, 6436), (3218, 5040), (3360, 4827)]