428648640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:535

約数の個数: 224

約数和(自身を含む): 1567793664

約数和(自身を除く): 1139145024

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, 140, 160, 168, 192, 210, 224, 227, 240, 280, 281, 320, 336, 420, 448, 454, 480, 560, 562, 672, 681, 840, 843, 908, 960, 1120, 1124, 1135, 1344, 1362, 1405, 1589, 1680, 1686, 1816, 1967, 2240, 2248, 2270, 2724, 2810, 3178, 3360, 3372, 3405, 3632, 3934, 4215, 4496, 4540, 4767, 5448, 5620, 5901, 6356, 6720, 6744, 6810, 7264, 7868, 7945, 8430, 8992, 9080, 9534, 9835, 10896, 11240, 11802, 12712, 13488, 13620, 14528, 15736, 15890, 16860, 17984, 18160, 19068, 19670, 21792, 22480, 23604, 23835, 25424, 26976, 27240, 29505, 31472, 31780, 33720, 36320, 38136, 39340, 43584, 44960, 47208, 47670, 50848, 53952, 54480, 59010, 62944, 63560, 63787, 67440, 72640, 76272, 78680, 89920, 94416, 95340, 101696, 108960, 118020, 125888, 127120, 127574, 134880, 152544, 157360, 188832, 190680, 191361, 217920, 236040, 254240, 255148, 269760, 305088, 314720, 318935, 377664, 381360, 382722, 446509, 472080, 508480, 510296, 629440, 637870, 762720, 765444, 893018, 944160, 956805, 1020592, 1275740, 1339527, 1525440, 1530888, 1786036, 1888320, 1913610, 2041184, 2232545, 2551480, 2679054, 3061776, 3572072, 3827220, 4082368, 4465090, 5102960, 5358108, 6123552, 6697635, 7144144, 7654440, 8930180, 10205920, 10716216, 12247104, 13395270, 14288288, 15308880, 17860360, 20411840, 21432432, 26790540, 28576576, 30617760, 35720720, 42864864, 53581080, 61235520, 71441440, 85729728, 107162160, 142882880, 214324320, 428648640]

約数ペア:

[(1, 428648640), (2, 214324320), (3, 142882880), (4, 107162160), (5, 85729728), (6, 71441440), (7, 61235520), (8, 53581080), (10, 42864864), (12, 35720720), (14, 30617760), (15, 28576576), (16, 26790540), (20, 21432432), (21, 20411840), (24, 17860360), (28, 15308880), (30, 14288288), (32, 13395270), (35, 12247104), (40, 10716216), (42, 10205920), (48, 8930180), (56, 7654440), (60, 7144144), (64, 6697635), (70, 6123552), (80, 5358108), (84, 5102960), (96, 4465090), (105, 4082368), (112, 3827220), (120, 3572072), (140, 3061776), (160, 2679054), (168, 2551480), (192, 2232545), (210, 2041184), (224, 1913610), (227, 1888320), (240, 1786036), (280, 1530888), (281, 1525440), (320, 1339527), (336, 1275740), (420, 1020592), (448, 956805), (454, 944160), (480, 893018), (560, 765444), (562, 762720), (672, 637870), (681, 629440), (840, 510296), (843, 508480), (908, 472080), (960, 446509), (1120, 382722), (1124, 381360), (1135, 377664), (1344, 318935), (1362, 314720), (1405, 305088), (1589, 269760), (1680, 255148), (1686, 254240), (1816, 236040), (1967, 217920), (2240, 191361), (2248, 190680), (2270, 188832), (2724, 157360), (2810, 152544), (3178, 134880), (3360, 127574), (3372, 127120), (3405, 125888), (3632, 118020), (3934, 108960), (4215, 101696), (4496, 95340), (4540, 94416), (4767, 89920), (5448, 78680), (5620, 76272), (5901, 72640), (6356, 67440), (6720, 63787), (6744, 63560), (6810, 62944), (7264, 59010), (7868, 54480), (7945, 53952), (8430, 50848), (8992, 47670), (9080, 47208), (9534, 44960), (9835, 43584), (10896, 39340), (11240, 38136), (11802, 36320), (12712, 33720), (13488, 31780), (13620, 31472), (14528, 29505), (15736, 27240), (15890, 26976), (16860, 25424), (17984, 23835), (18160, 23604), (19068, 22480), (19670, 21792)]