256889160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64871}}^1$

素因数の和:64899

約数の個数: 96

約数和(自身を含む): 910802880

約数和(自身を除く): 653913720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 64871, 129742, 194613, 259484, 324355, 389226, 518968, 583839, 648710, 713581, 778452, 973065, 1167678, 1297420, 1427162, 1556904, 1946130, 2140743, 2335356, 2594840, 2854324, 2919195, 3567905, 3892260, 4281486, 4670712, 5708648, 5838390, 6422229, 7135810, 7784520, 8562972, 10703715, 11676780, 12844458, 14271620, 17125944, 21407430, 23353560, 25688916, 28543240, 32111145, 42814860, 51377832, 64222290, 85629720, 128444580, 256889160]

約数ペア:

[(1, 256889160), (2, 128444580), (3, 85629720), (4, 64222290), (5, 51377832), (6, 42814860), (8, 32111145), (9, 28543240), (10, 25688916), (11, 23353560), (12, 21407430), (15, 17125944), (18, 14271620), (20, 12844458), (22, 11676780), (24, 10703715), (30, 8562972), (33, 7784520), (36, 7135810), (40, 6422229), (44, 5838390), (45, 5708648), (55, 4670712), (60, 4281486), (66, 3892260), (72, 3567905), (88, 2919195), (90, 2854324), (99, 2594840), (110, 2335356), (120, 2140743), (132, 1946130), (165, 1556904), (180, 1427162), (198, 1297420), (220, 1167678), (264, 973065), (330, 778452), (360, 713581), (396, 648710), (440, 583839), (495, 518968), (660, 389226), (792, 324355), (990, 259484), (1320, 194613), (1980, 129742), (3960, 64871)]