178125720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 550368000

約数和(自身を除く): 372242280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 139, 177, 181, 236, 278, 295, 354, 362, 417, 472, 543, 556, 590, 695, 708, 724, 834, 885, 905, 1086, 1112, 1180, 1390, 1416, 1448, 1668, 1770, 1810, 2085, 2172, 2360, 2715, 2780, 3336, 3540, 3620, 4170, 4344, 5430, 5560, 7080, 7240, 8201, 8340, 10679, 10860, 16402, 16680, 21358, 21720, 24603, 25159, 32037, 32804, 41005, 42716, 49206, 50318, 53395, 64074, 65608, 75477, 82010, 85432, 98412, 100636, 106790, 123015, 125795, 128148, 150954, 160185, 164020, 196824, 201272, 213580, 246030, 251590, 256296, 301908, 320370, 328040, 377385, 427160, 492060, 503180, 603816, 640740, 754770, 984120, 1006360, 1281480, 1484381, 1509540, 2968762, 3019080, 4453143, 5937524, 7421905, 8906286, 11875048, 14843810, 17812572, 22265715, 29687620, 35625144, 44531430, 59375240, 89062860, 178125720]

約数ペア:

[(1, 178125720), (2, 89062860), (3, 59375240), (4, 44531430), (5, 35625144), (6, 29687620), (8, 22265715), (10, 17812572), (12, 14843810), (15, 11875048), (20, 8906286), (24, 7421905), (30, 5937524), (40, 4453143), (59, 3019080), (60, 2968762), (118, 1509540), (120, 1484381), (139, 1281480), (177, 1006360), (181, 984120), (236, 754770), (278, 640740), (295, 603816), (354, 503180), (362, 492060), (417, 427160), (472, 377385), (543, 328040), (556, 320370), (590, 301908), (695, 256296), (708, 251590), (724, 246030), (834, 213580), (885, 201272), (905, 196824), (1086, 164020), (1112, 160185), (1180, 150954), (1390, 128148), (1416, 125795), (1448, 123015), (1668, 106790), (1770, 100636), (1810, 98412), (2085, 85432), (2172, 82010), (2360, 75477), (2715, 65608), (2780, 64074), (3336, 53395), (3540, 50318), (3620, 49206), (4170, 42716), (4344, 41005), (5430, 32804), (5560, 32037), (7080, 25159), (7240, 24603), (8201, 21720), (8340, 21358), (10679, 16680), (10860, 16402)]