15605040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 160

約数和(自身を含む): 55282176

約数和(自身を除く): 39677136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 132, 138, 165, 176, 184, 220, 230, 240, 253, 257, 264, 276, 330, 345, 368, 440, 460, 506, 514, 528, 552, 660, 690, 759, 771, 880, 920, 1012, 1028, 1104, 1265, 1285, 1320, 1380, 1518, 1542, 1840, 2024, 2056, 2530, 2570, 2640, 2760, 2827, 3036, 3084, 3795, 3855, 4048, 4112, 5060, 5140, 5520, 5654, 5911, 6072, 6168, 7590, 7710, 8481, 10120, 10280, 11308, 11822, 12144, 12336, 14135, 15180, 15420, 16962, 17733, 20240, 20560, 22616, 23644, 28270, 29555, 30360, 30840, 33924, 35466, 42405, 45232, 47288, 56540, 59110, 60720, 61680, 65021, 67848, 70932, 84810, 88665, 94576, 113080, 118220, 130042, 135696, 141864, 169620, 177330, 195063, 226160, 236440, 260084, 283728, 325105, 339240, 354660, 390126, 472880, 520168, 650210, 678480, 709320, 780252, 975315, 1040336, 1300420, 1418640, 1560504, 1950630, 2600840, 3121008, 3901260, 5201680, 7802520, 15605040]

約数ペア:

[(1, 15605040), (2, 7802520), (3, 5201680), (4, 3901260), (5, 3121008), (6, 2600840), (8, 1950630), (10, 1560504), (11, 1418640), (12, 1300420), (15, 1040336), (16, 975315), (20, 780252), (22, 709320), (23, 678480), (24, 650210), (30, 520168), (33, 472880), (40, 390126), (44, 354660), (46, 339240), (48, 325105), (55, 283728), (60, 260084), (66, 236440), (69, 226160), (80, 195063), (88, 177330), (92, 169620), (110, 141864), (115, 135696), (120, 130042), (132, 118220), (138, 113080), (165, 94576), (176, 88665), (184, 84810), (220, 70932), (230, 67848), (240, 65021), (253, 61680), (257, 60720), (264, 59110), (276, 56540), (330, 47288), (345, 45232), (368, 42405), (440, 35466), (460, 33924), (506, 30840), (514, 30360), (528, 29555), (552, 28270), (660, 23644), (690, 22616), (759, 20560), (771, 20240), (880, 17733), (920, 16962), (1012, 15420), (1028, 15180), (1104, 14135), (1265, 12336), (1285, 12144), (1320, 11822), (1380, 11308), (1518, 10280), (1542, 10120), (1840, 8481), (2024, 7710), (2056, 7590), (2530, 6168), (2570, 6072), (2640, 5911), (2760, 5654), (2827, 5520), (3036, 5140), (3084, 5060), (3795, 4112), (3855, 4048)]