307265720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{877}}^1$

素因数の和:1368

約数の個数: 64

約数和(自身を含む): 730144800

約数和(自身を除く): 422879080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 461, 760, 877, 922, 1754, 1844, 2305, 3508, 3688, 4385, 4610, 7016, 8759, 8770, 9220, 16663, 17518, 17540, 18440, 33326, 35036, 35080, 43795, 66652, 70072, 83315, 87590, 133304, 166630, 175180, 333260, 350360, 404297, 666520, 808594, 1617188, 2021485, 3234376, 4042970, 7681643, 8085940, 15363286, 16171880, 30726572, 38408215, 61453144, 76816430, 153632860, 307265720]

約数ペア:

[(1, 307265720), (2, 153632860), (4, 76816430), (5, 61453144), (8, 38408215), (10, 30726572), (19, 16171880), (20, 15363286), (38, 8085940), (40, 7681643), (76, 4042970), (95, 3234376), (152, 2021485), (190, 1617188), (380, 808594), (461, 666520), (760, 404297), (877, 350360), (922, 333260), (1754, 175180), (1844, 166630), (2305, 133304), (3508, 87590), (3688, 83315), (4385, 70072), (4610, 66652), (7016, 43795), (8759, 35080), (8770, 35036), (9220, 33326), (16663, 18440), (17518, 17540)]