19891680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1429}}^1$

素因数の和:1476

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 44973120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 116, 120, 145, 160, 174, 232, 240, 290, 348, 435, 464, 480, 580, 696, 870, 928, 1160, 1392, 1429, 1740, 2320, 2784, 2858, 3480, 4287, 4640, 5716, 6960, 7145, 8574, 11432, 13920, 14290, 17148, 21435, 22864, 28580, 34296, 41441, 42870, 45728, 57160, 68592, 82882, 85740, 114320, 124323, 137184, 165764, 171480, 207205, 228640, 248646, 331528, 342960, 414410, 497292, 621615, 663056, 685920, 828820, 994584, 1243230, 1326112, 1657640, 1989168, 2486460, 3315280, 3978336, 4972920, 6630560, 9945840, 19891680]

約数ペア:

[(1, 19891680), (2, 9945840), (3, 6630560), (4, 4972920), (5, 3978336), (6, 3315280), (8, 2486460), (10, 1989168), (12, 1657640), (15, 1326112), (16, 1243230), (20, 994584), (24, 828820), (29, 685920), (30, 663056), (32, 621615), (40, 497292), (48, 414410), (58, 342960), (60, 331528), (80, 248646), (87, 228640), (96, 207205), (116, 171480), (120, 165764), (145, 137184), (160, 124323), (174, 114320), (232, 85740), (240, 82882), (290, 68592), (348, 57160), (435, 45728), (464, 42870), (480, 41441), (580, 34296), (696, 28580), (870, 22864), (928, 21435), (1160, 17148), (1392, 14290), (1429, 13920), (1740, 11432), (2320, 8574), (2784, 7145), (2858, 6960), (3480, 5716), (4287, 4640)]