30656640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{2281}}^1$

素因数の和:2310

約数の個数: 128

約数和(自身を含む): 111726720

約数和(自身を除く): 81070080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2281, 2688, 3360, 4480, 4562, 6720, 6843, 9124, 11405, 13440, 13686, 15967, 18248, 22810, 27372, 31934, 34215, 36496, 45620, 47901, 54744, 63868, 68430, 72992, 79835, 91240, 95802, 109488, 127736, 136860, 145984, 159670, 182480, 191604, 218976, 239505, 255472, 273720, 291968, 319340, 364960, 383208, 437952, 479010, 510944, 547440, 638680, 729920, 766416, 875904, 958020, 1021888, 1094880, 1277360, 1459840, 1532832, 1916040, 2043776, 2189760, 2554720, 3065664, 3832080, 4379520, 5109440, 6131328, 7664160, 10218880, 15328320, 30656640]

約数ペア:

[(1, 30656640), (2, 15328320), (3, 10218880), (4, 7664160), (5, 6131328), (6, 5109440), (7, 4379520), (8, 3832080), (10, 3065664), (12, 2554720), (14, 2189760), (15, 2043776), (16, 1916040), (20, 1532832), (21, 1459840), (24, 1277360), (28, 1094880), (30, 1021888), (32, 958020), (35, 875904), (40, 766416), (42, 729920), (48, 638680), (56, 547440), (60, 510944), (64, 479010), (70, 437952), (80, 383208), (84, 364960), (96, 319340), (105, 291968), (112, 273720), (120, 255472), (128, 239505), (140, 218976), (160, 191604), (168, 182480), (192, 159670), (210, 145984), (224, 136860), (240, 127736), (280, 109488), (320, 95802), (336, 91240), (384, 79835), (420, 72992), (448, 68430), (480, 63868), (560, 54744), (640, 47901), (672, 45620), (840, 36496), (896, 34215), (960, 31934), (1120, 27372), (1344, 22810), (1680, 18248), (1920, 15967), (2240, 13686), (2281, 13440), (2688, 11405), (3360, 9124), (4480, 6843), (4562, 6720)]