72168080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 179155200

約数和(自身を除く): 106987120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 601, 632, 760, 790, 1202, 1264, 1501, 1520, 1580, 2404, 3002, 3005, 3160, 4808, 6004, 6010, 6320, 7505, 9616, 11419, 12008, 12020, 15010, 22838, 24016, 24040, 30020, 45676, 47479, 48080, 57095, 60040, 91352, 94958, 114190, 120080, 182704, 189916, 228380, 237395, 379832, 456760, 474790, 759664, 902101, 913520, 949580, 1804202, 1899160, 3608404, 3798320, 4510505, 7216808, 9021010, 14433616, 18042020, 36084040, 72168080]

約数ペア:

[(1, 72168080), (2, 36084040), (4, 18042020), (5, 14433616), (8, 9021010), (10, 7216808), (16, 4510505), (19, 3798320), (20, 3608404), (38, 1899160), (40, 1804202), (76, 949580), (79, 913520), (80, 902101), (95, 759664), (152, 474790), (158, 456760), (190, 379832), (304, 237395), (316, 228380), (380, 189916), (395, 182704), (601, 120080), (632, 114190), (760, 94958), (790, 91352), (1202, 60040), (1264, 57095), (1501, 48080), (1520, 47479), (1580, 45676), (2404, 30020), (3002, 24040), (3005, 24016), (3160, 22838), (4808, 15010), (6004, 12020), (6010, 12008), (6320, 11419), (7505, 9616)]