123421480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{827}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 350542080

約数和(自身を除く): 227120600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 827, 910, 1066, 1148, 1435, 1640, 1654, 1820, 2132, 2296, 2665, 2870, 3308, 3640, 3731, 4135, 4264, 5330, 5740, 5789, 6616, 7462, 8270, 10660, 10751, 11480, 11578, 14924, 16540, 18655, 21320, 21502, 23156, 28945, 29848, 33080, 33907, 37310, 43004, 46312, 53755, 57890, 67814, 74620, 75257, 86008, 107510, 115780, 135628, 149240, 150514, 169535, 215020, 231560, 237349, 271256, 301028, 339070, 376285, 430040, 440791, 474698, 602056, 678140, 752570, 881582, 949396, 1186745, 1356280, 1505140, 1763164, 1898792, 2203955, 2373490, 3010280, 3085537, 3526328, 4407910, 4746980, 6171074, 8815820, 9493960, 12342148, 15427685, 17631640, 24684296, 30855370, 61710740, 123421480]

約数ペア:

[(1, 123421480), (2, 61710740), (4, 30855370), (5, 24684296), (7, 17631640), (8, 15427685), (10, 12342148), (13, 9493960), (14, 8815820), (20, 6171074), (26, 4746980), (28, 4407910), (35, 3526328), (40, 3085537), (41, 3010280), (52, 2373490), (56, 2203955), (65, 1898792), (70, 1763164), (82, 1505140), (91, 1356280), (104, 1186745), (130, 949396), (140, 881582), (164, 752570), (182, 678140), (205, 602056), (260, 474698), (280, 440791), (287, 430040), (328, 376285), (364, 339070), (410, 301028), (455, 271256), (520, 237349), (533, 231560), (574, 215020), (728, 169535), (820, 150514), (827, 149240), (910, 135628), (1066, 115780), (1148, 107510), (1435, 86008), (1640, 75257), (1654, 74620), (1820, 67814), (2132, 57890), (2296, 53755), (2665, 46312), (2870, 43004), (3308, 37310), (3640, 33907), (3731, 33080), (4135, 29848), (4264, 28945), (5330, 23156), (5740, 21502), (5789, 21320), (6616, 18655), (7462, 16540), (8270, 14924), (10660, 11578), (10751, 11480)]