87440940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21121}}^1$

素因数の和:21159

約数の個数: 72

約数和(自身を含む): 276782688

約数和(自身を除く): 189341748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 21121, 42242, 63363, 84484, 105605, 126726, 190089, 211210, 253452, 316815, 380178, 422420, 485783, 633630, 760356, 950445, 971566, 1267260, 1457349, 1900890, 1943132, 2428915, 2914698, 3801780, 4372047, 4857830, 5829396, 7286745, 8744094, 9715660, 14573490, 17488188, 21860235, 29146980, 43720470, 87440940]

約数ペア:

[(1, 87440940), (2, 43720470), (3, 29146980), (4, 21860235), (5, 17488188), (6, 14573490), (9, 9715660), (10, 8744094), (12, 7286745), (15, 5829396), (18, 4857830), (20, 4372047), (23, 3801780), (30, 2914698), (36, 2428915), (45, 1943132), (46, 1900890), (60, 1457349), (69, 1267260), (90, 971566), (92, 950445), (115, 760356), (138, 633630), (180, 485783), (207, 422420), (230, 380178), (276, 316815), (345, 253452), (414, 211210), (460, 190089), (690, 126726), (828, 105605), (1035, 84484), (1380, 63363), (2070, 42242), (4140, 21121)]