71123080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:527

約数の個数: 128

約数和(自身を含む): 199584000

約数和(自身を除く): 128460920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 95, 116, 133, 140, 145, 152, 190, 203, 232, 266, 280, 290, 380, 406, 461, 532, 551, 580, 665, 760, 812, 922, 1015, 1064, 1102, 1160, 1330, 1624, 1844, 2030, 2204, 2305, 2660, 2755, 3227, 3688, 3857, 4060, 4408, 4610, 5320, 5510, 6454, 7714, 8120, 8759, 9220, 11020, 12908, 13369, 15428, 16135, 17518, 18440, 19285, 22040, 25816, 26738, 30856, 32270, 35036, 38570, 43795, 53476, 61313, 64540, 66845, 70072, 77140, 87590, 93583, 106952, 122626, 129080, 133690, 154280, 175180, 187166, 245252, 254011, 267380, 306565, 350360, 374332, 467915, 490504, 508022, 534760, 613130, 748664, 935830, 1016044, 1226260, 1270055, 1778077, 1871660, 2032088, 2452520, 2540110, 3556154, 3743320, 5080220, 7112308, 8890385, 10160440, 14224616, 17780770, 35561540, 71123080]

約数ペア:

[(1, 71123080), (2, 35561540), (4, 17780770), (5, 14224616), (7, 10160440), (8, 8890385), (10, 7112308), (14, 5080220), (19, 3743320), (20, 3556154), (28, 2540110), (29, 2452520), (35, 2032088), (38, 1871660), (40, 1778077), (56, 1270055), (58, 1226260), (70, 1016044), (76, 935830), (95, 748664), (116, 613130), (133, 534760), (140, 508022), (145, 490504), (152, 467915), (190, 374332), (203, 350360), (232, 306565), (266, 267380), (280, 254011), (290, 245252), (380, 187166), (406, 175180), (461, 154280), (532, 133690), (551, 129080), (580, 122626), (665, 106952), (760, 93583), (812, 87590), (922, 77140), (1015, 70072), (1064, 66845), (1102, 64540), (1160, 61313), (1330, 53476), (1624, 43795), (1844, 38570), (2030, 35036), (2204, 32270), (2305, 30856), (2660, 26738), (2755, 25816), (3227, 22040), (3688, 19285), (3857, 18440), (4060, 17518), (4408, 16135), (4610, 15428), (5320, 13369), (5510, 12908), (6454, 11020), (7714, 9220), (8120, 8759)]