40390920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 136080000

約数和(自身を除く): 95689080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 149, 180, 216, 251, 270, 298, 360, 447, 502, 540, 596, 745, 753, 894, 1004, 1080, 1192, 1255, 1341, 1490, 1506, 1788, 2008, 2235, 2259, 2510, 2682, 2980, 3012, 3576, 3765, 4023, 4470, 4518, 5020, 5364, 5960, 6024, 6705, 6777, 7530, 8046, 8940, 9036, 10040, 10728, 11295, 13410, 13554, 15060, 16092, 17880, 18072, 20115, 22590, 26820, 27108, 30120, 32184, 33885, 37399, 40230, 45180, 53640, 54216, 67770, 74798, 80460, 90360, 112197, 135540, 149596, 160920, 186995, 224394, 271080, 299192, 336591, 373990, 448788, 560985, 673182, 747980, 897576, 1009773, 1121970, 1346364, 1495960, 1682955, 2019546, 2243940, 2692728, 3365910, 4039092, 4487880, 5048865, 6731820, 8078184, 10097730, 13463640, 20195460, 40390920]

約数ペア:

[(1, 40390920), (2, 20195460), (3, 13463640), (4, 10097730), (5, 8078184), (6, 6731820), (8, 5048865), (9, 4487880), (10, 4039092), (12, 3365910), (15, 2692728), (18, 2243940), (20, 2019546), (24, 1682955), (27, 1495960), (30, 1346364), (36, 1121970), (40, 1009773), (45, 897576), (54, 747980), (60, 673182), (72, 560985), (90, 448788), (108, 373990), (120, 336591), (135, 299192), (149, 271080), (180, 224394), (216, 186995), (251, 160920), (270, 149596), (298, 135540), (360, 112197), (447, 90360), (502, 80460), (540, 74798), (596, 67770), (745, 54216), (753, 53640), (894, 45180), (1004, 40230), (1080, 37399), (1192, 33885), (1255, 32184), (1341, 30120), (1490, 27108), (1506, 26820), (1788, 22590), (2008, 20115), (2235, 18072), (2259, 17880), (2510, 16092), (2682, 15060), (2980, 13554), (3012, 13410), (3576, 11295), (3765, 10728), (4023, 10040), (4470, 9036), (4518, 8940), (5020, 8046), (5364, 7530), (5960, 6777), (6024, 6705)]