1328880

素因数分解:

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

素因数の和:143

約数の個数: 120

約数和(自身を含む): 4834512

約数和(自身を除く): 3505632

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 113, 120, 140, 147, 168, 196, 210, 226, 240, 245, 280, 294, 336, 339, 392, 420, 452, 490, 560, 565, 588, 678, 735, 784, 791, 840, 904, 980, 1130, 1176, 1356, 1470, 1582, 1680, 1695, 1808, 1960, 2260, 2352, 2373, 2712, 2940, 3164, 3390, 3920, 3955, 4520, 4746, 5424, 5537, 5880, 6328, 6780, 7910, 9040, 9492, 11074, 11760, 11865, 12656, 13560, 15820, 16611, 18984, 22148, 23730, 27120, 27685, 31640, 33222, 37968, 44296, 47460, 55370, 63280, 66444, 83055, 88592, 94920, 110740, 132888, 166110, 189840, 221480, 265776, 332220, 442960, 664440, 1328880]

約数ペア:

[(1, 1328880), (2, 664440), (3, 442960), (4, 332220), (5, 265776), (6, 221480), (7, 189840), (8, 166110), (10, 132888), (12, 110740), (14, 94920), (15, 88592), (16, 83055), (20, 66444), (21, 63280), (24, 55370), (28, 47460), (30, 44296), (35, 37968), (40, 33222), (42, 31640), (48, 27685), (49, 27120), (56, 23730), (60, 22148), (70, 18984), (80, 16611), (84, 15820), (98, 13560), (105, 12656), (112, 11865), (113, 11760), (120, 11074), (140, 9492), (147, 9040), (168, 7910), (196, 6780), (210, 6328), (226, 5880), (240, 5537), (245, 5424), (280, 4746), (294, 4520), (336, 3955), (339, 3920), (392, 3390), (420, 3164), (452, 2940), (490, 2712), (560, 2373), (565, 2352), (588, 2260), (678, 1960), (735, 1808), (784, 1695), (791, 1680), (840, 1582), (904, 1470), (980, 1356), (1130, 1176)]