30780240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{463}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 95970048

約数和(自身を除く): 65189808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277, 463, 554, 831, 926, 1108, 1385, 1389, 1662, 1852, 2216, 2315, 2770, 2778, 3324, 3704, 4155, 4432, 4630, 5540, 5556, 6648, 6945, 7408, 8310, 9260, 11080, 11112, 13296, 13890, 16620, 18520, 22160, 22224, 27780, 33240, 37040, 55560, 66480, 111120, 128251, 256502, 384753, 513004, 641255, 769506, 1026008, 1282510, 1539012, 1923765, 2052016, 2565020, 3078024, 3847530, 5130040, 6156048, 7695060, 10260080, 15390120, 30780240]

約数ペア:

[(1, 30780240), (2, 15390120), (3, 10260080), (4, 7695060), (5, 6156048), (6, 5130040), (8, 3847530), (10, 3078024), (12, 2565020), (15, 2052016), (16, 1923765), (20, 1539012), (24, 1282510), (30, 1026008), (40, 769506), (48, 641255), (60, 513004), (80, 384753), (120, 256502), (240, 128251), (277, 111120), (463, 66480), (554, 55560), (831, 37040), (926, 33240), (1108, 27780), (1385, 22224), (1389, 22160), (1662, 18520), (1852, 16620), (2216, 13890), (2315, 13296), (2770, 11112), (2778, 11080), (3324, 9260), (3704, 8310), (4155, 7408), (4432, 6945), (4630, 6648), (5540, 5556)]