15315240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 34451160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 179, 184, 186, 230, 248, 276, 310, 345, 358, 372, 460, 465, 537, 552, 620, 690, 713, 716, 744, 895, 920, 930, 1074, 1240, 1380, 1426, 1432, 1790, 1860, 2139, 2148, 2685, 2760, 2852, 3565, 3580, 3720, 4117, 4278, 4296, 5370, 5549, 5704, 7130, 7160, 8234, 8556, 10695, 10740, 11098, 12351, 14260, 16468, 16647, 17112, 20585, 21390, 21480, 22196, 24702, 27745, 28520, 32936, 33294, 41170, 42780, 44392, 49404, 55490, 61755, 66588, 82340, 83235, 85560, 98808, 110980, 123510, 127627, 133176, 164680, 166470, 221960, 247020, 255254, 332940, 382881, 494040, 510508, 638135, 665880, 765762, 1021016, 1276270, 1531524, 1914405, 2552540, 3063048, 3828810, 5105080, 7657620, 15315240]

約数ペア:

[(1, 15315240), (2, 7657620), (3, 5105080), (4, 3828810), (5, 3063048), (6, 2552540), (8, 1914405), (10, 1531524), (12, 1276270), (15, 1021016), (20, 765762), (23, 665880), (24, 638135), (30, 510508), (31, 494040), (40, 382881), (46, 332940), (60, 255254), (62, 247020), (69, 221960), (92, 166470), (93, 164680), (115, 133176), (120, 127627), (124, 123510), (138, 110980), (155, 98808), (179, 85560), (184, 83235), (186, 82340), (230, 66588), (248, 61755), (276, 55490), (310, 49404), (345, 44392), (358, 42780), (372, 41170), (460, 33294), (465, 32936), (537, 28520), (552, 27745), (620, 24702), (690, 22196), (713, 21480), (716, 21390), (744, 20585), (895, 17112), (920, 16647), (930, 16468), (1074, 14260), (1240, 12351), (1380, 11098), (1426, 10740), (1432, 10695), (1790, 8556), (1860, 8234), (2139, 7160), (2148, 7130), (2685, 5704), (2760, 5549), (2852, 5370), (3565, 4296), (3580, 4278), (3720, 4117)]