2019911280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{442963}}^1$

素因数の和:442998

約数の個数: 80

約数和(自身を含む): 6591304320

約数和(自身を除く): 4571393040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 442963, 885926, 1328889, 1771852, 2214815, 2657778, 3543704, 4429630, 5315556, 6644445, 7087408, 8416297, 8859260, 10631112, 13288890, 16832594, 17718520, 21262224, 25248891, 26577780, 33665188, 35437040, 42081485, 50497782, 53155560, 67330376, 84162970, 100995564, 106311120, 126244455, 134660752, 168325940, 201991128, 252488910, 336651880, 403982256, 504977820, 673303760, 1009955640, 2019911280]

約数ペア:

[(1, 2019911280), (2, 1009955640), (3, 673303760), (4, 504977820), (5, 403982256), (6, 336651880), (8, 252488910), (10, 201991128), (12, 168325940), (15, 134660752), (16, 126244455), (19, 106311120), (20, 100995564), (24, 84162970), (30, 67330376), (38, 53155560), (40, 50497782), (48, 42081485), (57, 35437040), (60, 33665188), (76, 26577780), (80, 25248891), (95, 21262224), (114, 17718520), (120, 16832594), (152, 13288890), (190, 10631112), (228, 8859260), (240, 8416297), (285, 7087408), (304, 6644445), (380, 5315556), (456, 4429630), (570, 3543704), (760, 2657778), (912, 2214815), (1140, 1771852), (1520, 1328889), (2280, 885926), (4560, 442963)]