28611960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18341}}^1$

素因数の和:18368

約数の個数: 64

約数和(自身を含む): 92443680

約数和(自身を除く): 63831720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18341, 36682, 55023, 73364, 91705, 110046, 146728, 183410, 220092, 238433, 275115, 366820, 440184, 476866, 550230, 715299, 733640, 953732, 1100460, 1192165, 1430598, 1907464, 2200920, 2384330, 2861196, 3576495, 4768660, 5722392, 7152990, 9537320, 14305980, 28611960]

約数ペア:

[(1, 28611960), (2, 14305980), (3, 9537320), (4, 7152990), (5, 5722392), (6, 4768660), (8, 3576495), (10, 2861196), (12, 2384330), (13, 2200920), (15, 1907464), (20, 1430598), (24, 1192165), (26, 1100460), (30, 953732), (39, 733640), (40, 715299), (52, 550230), (60, 476866), (65, 440184), (78, 366820), (104, 275115), (120, 238433), (130, 220092), (156, 183410), (195, 146728), (260, 110046), (312, 91705), (390, 73364), (520, 55023), (780, 36682), (1560, 18341)]