80371620

素因数分解:

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

素因数の和:530

約数の個数: 144

約数和(自身を含む): 280844928

約数和(自身を除く): 200473308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 227, 252, 281, 315, 420, 454, 562, 630, 681, 843, 908, 1124, 1135, 1260, 1362, 1405, 1589, 1686, 1967, 2043, 2270, 2529, 2724, 2810, 3178, 3372, 3405, 3934, 4086, 4215, 4540, 4767, 5058, 5620, 5901, 6356, 6810, 7868, 7945, 8172, 8430, 9534, 9835, 10116, 10215, 11802, 12645, 13620, 14301, 15890, 16860, 17703, 19068, 19670, 20430, 23604, 23835, 25290, 28602, 29505, 31780, 35406, 39340, 40860, 47670, 50580, 57204, 59010, 63787, 70812, 71505, 88515, 95340, 118020, 127574, 143010, 177030, 191361, 255148, 286020, 318935, 354060, 382722, 446509, 574083, 637870, 765444, 893018, 956805, 1148166, 1275740, 1339527, 1786036, 1913610, 2232545, 2296332, 2679054, 2870415, 3827220, 4018581, 4465090, 5358108, 5740830, 6697635, 8037162, 8930180, 11481660, 13395270, 16074324, 20092905, 26790540, 40185810, 80371620]

約数ペア:

[(1, 80371620), (2, 40185810), (3, 26790540), (4, 20092905), (5, 16074324), (6, 13395270), (7, 11481660), (9, 8930180), (10, 8037162), (12, 6697635), (14, 5740830), (15, 5358108), (18, 4465090), (20, 4018581), (21, 3827220), (28, 2870415), (30, 2679054), (35, 2296332), (36, 2232545), (42, 1913610), (45, 1786036), (60, 1339527), (63, 1275740), (70, 1148166), (84, 956805), (90, 893018), (105, 765444), (126, 637870), (140, 574083), (180, 446509), (210, 382722), (227, 354060), (252, 318935), (281, 286020), (315, 255148), (420, 191361), (454, 177030), (562, 143010), (630, 127574), (681, 118020), (843, 95340), (908, 88515), (1124, 71505), (1135, 70812), (1260, 63787), (1362, 59010), (1405, 57204), (1589, 50580), (1686, 47670), (1967, 40860), (2043, 39340), (2270, 35406), (2529, 31780), (2724, 29505), (2810, 28602), (3178, 25290), (3372, 23835), (3405, 23604), (3934, 20430), (4086, 19670), (4215, 19068), (4540, 17703), (4767, 16860), (5058, 15890), (5620, 14301), (5901, 13620), (6356, 12645), (6810, 11802), (7868, 10215), (7945, 10116), (8172, 9835), (8430, 9534)]