79871820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10009}}^1$

素因数の和:10047

約数の個数: 96

約数和(自身を含む): 269068800

約数和(自身を除く): 189196980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 10009, 20018, 30027, 40036, 50045, 60054, 70063, 100090, 120108, 140126, 150135, 190171, 200180, 210189, 280252, 300270, 350315, 380342, 420378, 570513, 600540, 700630, 760684, 840756, 950855, 1050945, 1141026, 1331197, 1401260, 1901710, 2101890, 2282052, 2662394, 2852565, 3803420, 3993591, 4203780, 5324788, 5705130, 6655985, 7987182, 11410260, 13311970, 15974364, 19967955, 26623940, 39935910, 79871820]

約数ペア:

[(1, 79871820), (2, 39935910), (3, 26623940), (4, 19967955), (5, 15974364), (6, 13311970), (7, 11410260), (10, 7987182), (12, 6655985), (14, 5705130), (15, 5324788), (19, 4203780), (20, 3993591), (21, 3803420), (28, 2852565), (30, 2662394), (35, 2282052), (38, 2101890), (42, 1901710), (57, 1401260), (60, 1331197), (70, 1141026), (76, 1050945), (84, 950855), (95, 840756), (105, 760684), (114, 700630), (133, 600540), (140, 570513), (190, 420378), (210, 380342), (228, 350315), (266, 300270), (285, 280252), (380, 210189), (399, 200180), (420, 190171), (532, 150135), (570, 140126), (665, 120108), (798, 100090), (1140, 70063), (1330, 60054), (1596, 50045), (1995, 40036), (2660, 30027), (3990, 20018), (7980, 10009)]