231783280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4919}}^1$

素因数の和:4982

約数の個数: 80

約数和(自身を含む): 585676800

約数和(自身を除く): 353893520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 4919, 5890, 9424, 9838, 11780, 19676, 23560, 24595, 39352, 47120, 49190, 78704, 93461, 98380, 152489, 186922, 196760, 304978, 373844, 393520, 467305, 609956, 747688, 762445, 934610, 1219912, 1495376, 1524890, 1869220, 2439824, 2897291, 3049780, 3738440, 5794582, 6099560, 7476880, 11589164, 12199120, 14486455, 23178328, 28972910, 46356656, 57945820, 115891640, 231783280]

約数ペア:

[(1, 231783280), (2, 115891640), (4, 57945820), (5, 46356656), (8, 28972910), (10, 23178328), (16, 14486455), (19, 12199120), (20, 11589164), (31, 7476880), (38, 6099560), (40, 5794582), (62, 3738440), (76, 3049780), (80, 2897291), (95, 2439824), (124, 1869220), (152, 1524890), (155, 1495376), (190, 1219912), (248, 934610), (304, 762445), (310, 747688), (380, 609956), (496, 467305), (589, 393520), (620, 373844), (760, 304978), (1178, 196760), (1240, 186922), (1520, 152489), (2356, 98380), (2480, 93461), (2945, 78704), (4712, 49190), (4919, 47120), (5890, 39352), (9424, 24595), (9838, 23560), (11780, 19676)]