39981840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2731}}^1$

素因数の和:2808

約数の個数: 80

約数和(自身を含む): 126021696

約数和(自身を除く): 86039856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2731, 2928, 3660, 4880, 5462, 7320, 8193, 10924, 13655, 14640, 16386, 21848, 27310, 32772, 40965, 43696, 54620, 65544, 81930, 109240, 131088, 163860, 166591, 218480, 327720, 333182, 499773, 655440, 666364, 832955, 999546, 1332728, 1665910, 1999092, 2498865, 2665456, 3331820, 3998184, 4997730, 6663640, 7996368, 9995460, 13327280, 19990920, 39981840]

約数ペア:

[(1, 39981840), (2, 19990920), (3, 13327280), (4, 9995460), (5, 7996368), (6, 6663640), (8, 4997730), (10, 3998184), (12, 3331820), (15, 2665456), (16, 2498865), (20, 1999092), (24, 1665910), (30, 1332728), (40, 999546), (48, 832955), (60, 666364), (61, 655440), (80, 499773), (120, 333182), (122, 327720), (183, 218480), (240, 166591), (244, 163860), (305, 131088), (366, 109240), (488, 81930), (610, 65544), (732, 54620), (915, 43696), (976, 40965), (1220, 32772), (1464, 27310), (1830, 21848), (2440, 16386), (2731, 14640), (2928, 13655), (3660, 10924), (4880, 8193), (5462, 7320)]