261518880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11119}}^1$

素因数の和:11151

約数の個数: 144

約数和(自身を含む): 958366080

約数和(自身を除く): 696847200

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11119, 11760, 22238, 23520, 33357, 44476, 55595, 66714, 77833, 88952, 111190, 133428, 155666, 166785, 177904, 222380, 233499, 266856, 311332, 333570, 355808, 389165, 444760, 466998, 533712, 544831, 622664, 667140, 778330, 889520, 933996, 1067424, 1089662, 1167495, 1245328, 1334280, 1556660, 1634493, 1779040, 1867992, 2179324, 2334990, 2490656, 2668560, 2724155, 3113320, 3268986, 3735984, 4358648, 4669980, 5337120, 5448310, 6226640, 6537972, 7471968, 8172465, 8717296, 9339960, 10896620, 12453280, 13075944, 16344930, 17434592, 18679920, 21793240, 26151888, 32689860, 37359840, 43586480, 52303776, 65379720, 87172960, 130759440, 261518880]

約数ペア:

[(1, 261518880), (2, 130759440), (3, 87172960), (4, 65379720), (5, 52303776), (6, 43586480), (7, 37359840), (8, 32689860), (10, 26151888), (12, 21793240), (14, 18679920), (15, 17434592), (16, 16344930), (20, 13075944), (21, 12453280), (24, 10896620), (28, 9339960), (30, 8717296), (32, 8172465), (35, 7471968), (40, 6537972), (42, 6226640), (48, 5448310), (49, 5337120), (56, 4669980), (60, 4358648), (70, 3735984), (80, 3268986), (84, 3113320), (96, 2724155), (98, 2668560), (105, 2490656), (112, 2334990), (120, 2179324), (140, 1867992), (147, 1779040), (160, 1634493), (168, 1556660), (196, 1334280), (210, 1245328), (224, 1167495), (240, 1089662), (245, 1067424), (280, 933996), (294, 889520), (336, 778330), (392, 667140), (420, 622664), (480, 544831), (490, 533712), (560, 466998), (588, 444760), (672, 389165), (735, 355808), (784, 333570), (840, 311332), (980, 266856), (1120, 233499), (1176, 222380), (1470, 177904), (1568, 166785), (1680, 155666), (1960, 133428), (2352, 111190), (2940, 88952), (3360, 77833), (3920, 66714), (4704, 55595), (5880, 44476), (7840, 33357), (11119, 23520), (11760, 22238)]