1578720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 192

約数和(自身を含む): 6096384

約数和(自身を除く): 4517664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 23, 24, 26, 30, 32, 33, 39, 40, 44, 46, 48, 52, 55, 60, 65, 66, 69, 78, 80, 88, 92, 96, 104, 110, 115, 120, 130, 132, 138, 143, 156, 160, 165, 176, 184, 195, 208, 220, 230, 240, 253, 260, 264, 276, 286, 299, 312, 330, 345, 352, 368, 390, 416, 429, 440, 460, 480, 506, 520, 528, 552, 572, 598, 624, 660, 690, 715, 736, 759, 780, 858, 880, 897, 920, 1012, 1040, 1056, 1104, 1144, 1196, 1248, 1265, 1320, 1380, 1430, 1495, 1518, 1560, 1716, 1760, 1794, 1840, 2024, 2080, 2145, 2208, 2288, 2392, 2530, 2640, 2760, 2860, 2990, 3036, 3120, 3289, 3432, 3588, 3680, 3795, 4048, 4290, 4485, 4576, 4784, 5060, 5280, 5520, 5720, 5980, 6072, 6240, 6578, 6864, 7176, 7590, 8096, 8580, 8970, 9568, 9867, 10120, 11040, 11440, 11960, 12144, 13156, 13728, 14352, 15180, 16445, 17160, 17940, 19734, 20240, 22880, 23920, 24288, 26312, 28704, 30360, 32890, 34320, 35880, 39468, 40480, 47840, 49335, 52624, 60720, 65780, 68640, 71760, 78936, 98670, 105248, 121440, 131560, 143520, 157872, 197340, 263120, 315744, 394680, 526240, 789360, 1578720]

約数ペア:

[(1, 1578720), (2, 789360), (3, 526240), (4, 394680), (5, 315744), (6, 263120), (8, 197340), (10, 157872), (11, 143520), (12, 131560), (13, 121440), (15, 105248), (16, 98670), (20, 78936), (22, 71760), (23, 68640), (24, 65780), (26, 60720), (30, 52624), (32, 49335), (33, 47840), (39, 40480), (40, 39468), (44, 35880), (46, 34320), (48, 32890), (52, 30360), (55, 28704), (60, 26312), (65, 24288), (66, 23920), (69, 22880), (78, 20240), (80, 19734), (88, 17940), (92, 17160), (96, 16445), (104, 15180), (110, 14352), (115, 13728), (120, 13156), (130, 12144), (132, 11960), (138, 11440), (143, 11040), (156, 10120), (160, 9867), (165, 9568), (176, 8970), (184, 8580), (195, 8096), (208, 7590), (220, 7176), (230, 6864), (240, 6578), (253, 6240), (260, 6072), (264, 5980), (276, 5720), (286, 5520), (299, 5280), (312, 5060), (330, 4784), (345, 4576), (352, 4485), (368, 4290), (390, 4048), (416, 3795), (429, 3680), (440, 3588), (460, 3432), (480, 3289), (506, 3120), (520, 3036), (528, 2990), (552, 2860), (572, 2760), (598, 2640), (624, 2530), (660, 2392), (690, 2288), (715, 2208), (736, 2145), (759, 2080), (780, 2024), (858, 1840), (880, 1794), (897, 1760), (920, 1716), (1012, 1560), (1040, 1518), (1056, 1495), (1104, 1430), (1144, 1380), (1196, 1320), (1248, 1265)]