15927800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 43806720

約数和(自身を除く): 27878920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 367, 434, 620, 700, 734, 775, 868, 1085, 1240, 1400, 1468, 1550, 1736, 1835, 2170, 2569, 2936, 3100, 3670, 4340, 5138, 5425, 6200, 7340, 8680, 9175, 10276, 10850, 11377, 12845, 14680, 18350, 20552, 21700, 22754, 25690, 36700, 43400, 45508, 51380, 56885, 64225, 73400, 79639, 91016, 102760, 113770, 128450, 159278, 227540, 256900, 284425, 318556, 398195, 455080, 513800, 568850, 637112, 796390, 1137700, 1592780, 1990975, 2275400, 3185560, 3981950, 7963900, 15927800]

約数ペア:

[(1, 15927800), (2, 7963900), (4, 3981950), (5, 3185560), (7, 2275400), (8, 1990975), (10, 1592780), (14, 1137700), (20, 796390), (25, 637112), (28, 568850), (31, 513800), (35, 455080), (40, 398195), (50, 318556), (56, 284425), (62, 256900), (70, 227540), (100, 159278), (124, 128450), (140, 113770), (155, 102760), (175, 91016), (200, 79639), (217, 73400), (248, 64225), (280, 56885), (310, 51380), (350, 45508), (367, 43400), (434, 36700), (620, 25690), (700, 22754), (734, 21700), (775, 20552), (868, 18350), (1085, 14680), (1240, 12845), (1400, 11377), (1468, 10850), (1550, 10276), (1736, 9175), (1835, 8680), (2170, 7340), (2569, 6200), (2936, 5425), (3100, 5138), (3670, 4340)]