80645040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{16001}}^1$

素因数の和:16027

約数の個数: 120

約数和(自身を含む): 309542688

約数和(自身を除く): 228897648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 16001, 32002, 48003, 64004, 80005, 96006, 112007, 128008, 144009, 160010, 192012, 224014, 240015, 256016, 288018, 320020, 336021, 384024, 448028, 480030, 560035, 576036, 640040, 672042, 720045, 768048, 896056, 960060, 1008063, 1120070, 1152072, 1280080, 1344084, 1440090, 1680105, 1792112, 1920120, 2016126, 2240140, 2304144, 2688168, 2880180, 3360210, 3840240, 4032252, 4480280, 5040315, 5376336, 5760360, 6720420, 8064504, 8960560, 10080630, 11520720, 13440840, 16129008, 20161260, 26881680, 40322520, 80645040]

約数ペア:

[(1, 80645040), (2, 40322520), (3, 26881680), (4, 20161260), (5, 16129008), (6, 13440840), (7, 11520720), (8, 10080630), (9, 8960560), (10, 8064504), (12, 6720420), (14, 5760360), (15, 5376336), (16, 5040315), (18, 4480280), (20, 4032252), (21, 3840240), (24, 3360210), (28, 2880180), (30, 2688168), (35, 2304144), (36, 2240140), (40, 2016126), (42, 1920120), (45, 1792112), (48, 1680105), (56, 1440090), (60, 1344084), (63, 1280080), (70, 1152072), (72, 1120070), (80, 1008063), (84, 960060), (90, 896056), (105, 768048), (112, 720045), (120, 672042), (126, 640040), (140, 576036), (144, 560035), (168, 480030), (180, 448028), (210, 384024), (240, 336021), (252, 320020), (280, 288018), (315, 256016), (336, 240015), (360, 224014), (420, 192012), (504, 160010), (560, 144009), (630, 128008), (720, 112007), (840, 96006), (1008, 80005), (1260, 64004), (1680, 48003), (2520, 32002), (5040, 16001)]