28771680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{8563}}^1$

素因数の和:8588

約数の個数: 96

約数和(自身を含む): 103590144

約数和(自身を除く): 74818464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 8563, 17126, 25689, 34252, 42815, 51378, 59941, 68504, 85630, 102756, 119882, 128445, 137008, 171260, 179823, 205512, 239764, 256890, 274016, 299705, 342520, 359646, 411024, 479528, 513780, 599410, 685040, 719292, 822048, 899115, 959056, 1027560, 1198820, 1370080, 1438584, 1798230, 1918112, 2055120, 2397640, 2877168, 3596460, 4110240, 4795280, 5754336, 7192920, 9590560, 14385840, 28771680]

約数ペア:

[(1, 28771680), (2, 14385840), (3, 9590560), (4, 7192920), (5, 5754336), (6, 4795280), (7, 4110240), (8, 3596460), (10, 2877168), (12, 2397640), (14, 2055120), (15, 1918112), (16, 1798230), (20, 1438584), (21, 1370080), (24, 1198820), (28, 1027560), (30, 959056), (32, 899115), (35, 822048), (40, 719292), (42, 685040), (48, 599410), (56, 513780), (60, 479528), (70, 411024), (80, 359646), (84, 342520), (96, 299705), (105, 274016), (112, 256890), (120, 239764), (140, 205512), (160, 179823), (168, 171260), (210, 137008), (224, 128445), (240, 119882), (280, 102756), (336, 85630), (420, 68504), (480, 59941), (560, 51378), (672, 42815), (840, 34252), (1120, 25689), (1680, 17126), (3360, 8563)]