1931793520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{1327}}^1$

素因数の和:1958

約数の個数: 80

約数和(自身を含む): 4647702528

約数和(自身を除く): 2715909008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 587, 620, 1174, 1240, 1327, 2348, 2480, 2654, 2935, 4696, 5308, 5870, 6635, 9392, 10616, 11740, 13270, 18197, 21232, 23480, 26540, 36394, 41137, 46960, 53080, 72788, 82274, 90985, 106160, 145576, 164548, 181970, 205685, 291152, 329096, 363940, 411370, 658192, 727880, 778949, 822740, 1455760, 1557898, 1645480, 3115796, 3290960, 3894745, 6231592, 7789490, 12463184, 15578980, 24147419, 31157960, 48294838, 62315920, 96589676, 120737095, 193179352, 241474190, 386358704, 482948380, 965896760, 1931793520]

約数ペア:

[(1, 1931793520), (2, 965896760), (4, 482948380), (5, 386358704), (8, 241474190), (10, 193179352), (16, 120737095), (20, 96589676), (31, 62315920), (40, 48294838), (62, 31157960), (80, 24147419), (124, 15578980), (155, 12463184), (248, 7789490), (310, 6231592), (496, 3894745), (587, 3290960), (620, 3115796), (1174, 1645480), (1240, 1557898), (1327, 1455760), (2348, 822740), (2480, 778949), (2654, 727880), (2935, 658192), (4696, 411370), (5308, 363940), (5870, 329096), (6635, 291152), (9392, 205685), (10616, 181970), (11740, 164548), (13270, 145576), (18197, 106160), (21232, 90985), (23480, 82274), (26540, 72788), (36394, 53080), (41137, 46960)]