28665840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 103136256

約数和(自身を除く): 74470416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 113, 120, 140, 151, 168, 210, 226, 240, 280, 302, 336, 339, 420, 452, 453, 560, 565, 604, 678, 755, 791, 840, 904, 906, 1057, 1130, 1208, 1356, 1510, 1582, 1680, 1695, 1808, 1812, 2114, 2260, 2265, 2373, 2416, 2712, 3020, 3164, 3171, 3390, 3624, 3955, 4228, 4520, 4530, 4746, 5285, 5424, 6040, 6328, 6342, 6780, 7248, 7910, 8456, 9040, 9060, 9492, 10570, 11865, 12080, 12656, 12684, 13560, 15820, 15855, 16912, 17063, 18120, 18984, 21140, 23730, 25368, 27120, 31640, 31710, 34126, 36240, 37968, 42280, 47460, 50736, 51189, 63280, 63420, 68252, 84560, 85315, 94920, 102378, 119441, 126840, 136504, 170630, 189840, 204756, 238882, 253680, 255945, 273008, 341260, 358323, 409512, 477764, 511890, 597205, 682520, 716646, 819024, 955528, 1023780, 1194410, 1365040, 1433292, 1791615, 1911056, 2047560, 2388820, 2866584, 3583230, 4095120, 4777640, 5733168, 7166460, 9555280, 14332920, 28665840]

約数ペア:

[(1, 28665840), (2, 14332920), (3, 9555280), (4, 7166460), (5, 5733168), (6, 4777640), (7, 4095120), (8, 3583230), (10, 2866584), (12, 2388820), (14, 2047560), (15, 1911056), (16, 1791615), (20, 1433292), (21, 1365040), (24, 1194410), (28, 1023780), (30, 955528), (35, 819024), (40, 716646), (42, 682520), (48, 597205), (56, 511890), (60, 477764), (70, 409512), (80, 358323), (84, 341260), (105, 273008), (112, 255945), (113, 253680), (120, 238882), (140, 204756), (151, 189840), (168, 170630), (210, 136504), (226, 126840), (240, 119441), (280, 102378), (302, 94920), (336, 85315), (339, 84560), (420, 68252), (452, 63420), (453, 63280), (560, 51189), (565, 50736), (604, 47460), (678, 42280), (755, 37968), (791, 36240), (840, 34126), (904, 31710), (906, 31640), (1057, 27120), (1130, 25368), (1208, 23730), (1356, 21140), (1510, 18984), (1582, 18120), (1680, 17063), (1695, 16912), (1808, 15855), (1812, 15820), (2114, 13560), (2260, 12684), (2265, 12656), (2373, 12080), (2416, 11865), (2712, 10570), (3020, 9492), (3164, 9060), (3171, 9040), (3390, 8456), (3624, 7910), (3955, 7248), (4228, 6780), (4520, 6342), (4530, 6328), (4746, 6040), (5285, 5424)]