15870240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 55194048

約数和(自身を除く): 39323808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 103, 107, 120, 144, 160, 180, 206, 214, 240, 288, 309, 321, 360, 412, 428, 480, 515, 535, 618, 642, 720, 824, 856, 927, 963, 1030, 1070, 1236, 1284, 1440, 1545, 1605, 1648, 1712, 1854, 1926, 2060, 2140, 2472, 2568, 3090, 3210, 3296, 3424, 3708, 3852, 4120, 4280, 4635, 4815, 4944, 5136, 6180, 6420, 7416, 7704, 8240, 8560, 9270, 9630, 9888, 10272, 11021, 12360, 12840, 14832, 15408, 16480, 17120, 18540, 19260, 22042, 24720, 25680, 29664, 30816, 33063, 37080, 38520, 44084, 49440, 51360, 55105, 66126, 74160, 77040, 88168, 99189, 110210, 132252, 148320, 154080, 165315, 176336, 198378, 220420, 264504, 330630, 352672, 396756, 440840, 495945, 529008, 661260, 793512, 881680, 991890, 1058016, 1322520, 1587024, 1763360, 1983780, 2645040, 3174048, 3967560, 5290080, 7935120, 15870240]

約数ペア:

[(1, 15870240), (2, 7935120), (3, 5290080), (4, 3967560), (5, 3174048), (6, 2645040), (8, 1983780), (9, 1763360), (10, 1587024), (12, 1322520), (15, 1058016), (16, 991890), (18, 881680), (20, 793512), (24, 661260), (30, 529008), (32, 495945), (36, 440840), (40, 396756), (45, 352672), (48, 330630), (60, 264504), (72, 220420), (80, 198378), (90, 176336), (96, 165315), (103, 154080), (107, 148320), (120, 132252), (144, 110210), (160, 99189), (180, 88168), (206, 77040), (214, 74160), (240, 66126), (288, 55105), (309, 51360), (321, 49440), (360, 44084), (412, 38520), (428, 37080), (480, 33063), (515, 30816), (535, 29664), (618, 25680), (642, 24720), (720, 22042), (824, 19260), (856, 18540), (927, 17120), (963, 16480), (1030, 15408), (1070, 14832), (1236, 12840), (1284, 12360), (1440, 11021), (1545, 10272), (1605, 9888), (1648, 9630), (1712, 9270), (1854, 8560), (1926, 8240), (2060, 7704), (2140, 7416), (2472, 6420), (2568, 6180), (3090, 5136), (3210, 4944), (3296, 4815), (3424, 4635), (3708, 4280), (3852, 4120)]