216508740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1861}}^1$

素因数の和:2157

約数の個数: 96

約数和(自身を含む): 695702784

約数和(自身を除く): 479194044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 277, 420, 554, 831, 1108, 1385, 1662, 1861, 1939, 2770, 3324, 3722, 3878, 4155, 5540, 5583, 5817, 7444, 7756, 8310, 9305, 9695, 11166, 11634, 13027, 16620, 18610, 19390, 22332, 23268, 26054, 27915, 29085, 37220, 38780, 39081, 52108, 55830, 58170, 65135, 78162, 111660, 116340, 130270, 156324, 195405, 260540, 390810, 515497, 781620, 1030994, 1546491, 2061988, 2577485, 3092982, 3608479, 5154970, 6185964, 7216958, 7732455, 10309940, 10825437, 14433916, 15464910, 18042395, 21650874, 30929820, 36084790, 43301748, 54127185, 72169580, 108254370, 216508740]

約数ペア:

[(1, 216508740), (2, 108254370), (3, 72169580), (4, 54127185), (5, 43301748), (6, 36084790), (7, 30929820), (10, 21650874), (12, 18042395), (14, 15464910), (15, 14433916), (20, 10825437), (21, 10309940), (28, 7732455), (30, 7216958), (35, 6185964), (42, 5154970), (60, 3608479), (70, 3092982), (84, 2577485), (105, 2061988), (140, 1546491), (210, 1030994), (277, 781620), (420, 515497), (554, 390810), (831, 260540), (1108, 195405), (1385, 156324), (1662, 130270), (1861, 116340), (1939, 111660), (2770, 78162), (3324, 65135), (3722, 58170), (3878, 55830), (4155, 52108), (5540, 39081), (5583, 38780), (5817, 37220), (7444, 29085), (7756, 27915), (8310, 26054), (9305, 23268), (9695, 22332), (11166, 19390), (11634, 18610), (13027, 16620)]