19860960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 192

約数和(自身を含む): 74898432

約数和(自身を除く): 55037472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 257, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 514, 552, 560, 644, 672, 690, 736, 771, 805, 840, 920, 966, 1028, 1104, 1120, 1285, 1288, 1380, 1542, 1610, 1680, 1799, 1840, 1932, 2056, 2208, 2415, 2570, 2576, 2760, 3084, 3220, 3360, 3598, 3680, 3855, 3864, 4112, 4830, 5140, 5152, 5397, 5520, 5911, 6168, 6440, 7196, 7710, 7728, 8224, 8995, 9660, 10280, 10794, 11040, 11822, 12336, 12880, 14392, 15420, 15456, 17733, 17990, 19320, 20560, 21588, 23644, 24672, 25760, 26985, 28784, 29555, 30840, 35466, 35980, 38640, 41120, 41377, 43176, 47288, 53970, 57568, 59110, 61680, 70932, 71960, 77280, 82754, 86352, 88665, 94576, 107940, 118220, 123360, 124131, 141864, 143920, 165508, 172704, 177330, 189152, 206885, 215880, 236440, 248262, 283728, 287840, 331016, 354660, 413770, 431760, 472880, 496524, 567456, 620655, 662032, 709320, 827540, 863520, 945760, 993048, 1241310, 1324064, 1418640, 1655080, 1986096, 2482620, 2837280, 3310160, 3972192, 4965240, 6620320, 9930480, 19860960]

約数ペア:

[(1, 19860960), (2, 9930480), (3, 6620320), (4, 4965240), (5, 3972192), (6, 3310160), (7, 2837280), (8, 2482620), (10, 1986096), (12, 1655080), (14, 1418640), (15, 1324064), (16, 1241310), (20, 993048), (21, 945760), (23, 863520), (24, 827540), (28, 709320), (30, 662032), (32, 620655), (35, 567456), (40, 496524), (42, 472880), (46, 431760), (48, 413770), (56, 354660), (60, 331016), (69, 287840), (70, 283728), (80, 248262), (84, 236440), (92, 215880), (96, 206885), (105, 189152), (112, 177330), (115, 172704), (120, 165508), (138, 143920), (140, 141864), (160, 124131), (161, 123360), (168, 118220), (184, 107940), (210, 94576), (224, 88665), (230, 86352), (240, 82754), (257, 77280), (276, 71960), (280, 70932), (322, 61680), (336, 59110), (345, 57568), (368, 53970), (420, 47288), (460, 43176), (480, 41377), (483, 41120), (514, 38640), (552, 35980), (560, 35466), (644, 30840), (672, 29555), (690, 28784), (736, 26985), (771, 25760), (805, 24672), (840, 23644), (920, 21588), (966, 20560), (1028, 19320), (1104, 17990), (1120, 17733), (1285, 15456), (1288, 15420), (1380, 14392), (1542, 12880), (1610, 12336), (1680, 11822), (1799, 11040), (1840, 10794), (1932, 10280), (2056, 9660), (2208, 8995), (2415, 8224), (2570, 7728), (2576, 7710), (2760, 7196), (3084, 6440), (3220, 6168), (3360, 5911), (3598, 5520), (3680, 5397), (3855, 5152), (3864, 5140), (4112, 4830)]