87770520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:650

約数の個数: 128

約数和(自身を含む): 294840000

約数和(自身を除く): 207069480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 181, 216, 270, 360, 362, 449, 540, 543, 724, 898, 905, 1080, 1086, 1347, 1448, 1629, 1796, 1810, 2172, 2245, 2694, 2715, 3258, 3592, 3620, 4041, 4344, 4490, 4887, 5388, 5430, 6516, 6735, 7240, 8082, 8145, 8980, 9774, 10776, 10860, 12123, 13032, 13470, 16164, 16290, 17960, 19548, 20205, 21720, 24246, 24435, 26940, 32328, 32580, 39096, 40410, 48492, 48870, 53880, 60615, 65160, 80820, 81269, 96984, 97740, 121230, 161640, 162538, 195480, 242460, 243807, 325076, 406345, 484920, 487614, 650152, 731421, 812690, 975228, 1219035, 1462842, 1625380, 1950456, 2194263, 2438070, 2925684, 3250760, 3657105, 4388526, 4876140, 5851368, 7314210, 8777052, 9752280, 10971315, 14628420, 17554104, 21942630, 29256840, 43885260, 87770520]

約数ペア:

[(1, 87770520), (2, 43885260), (3, 29256840), (4, 21942630), (5, 17554104), (6, 14628420), (8, 10971315), (9, 9752280), (10, 8777052), (12, 7314210), (15, 5851368), (18, 4876140), (20, 4388526), (24, 3657105), (27, 3250760), (30, 2925684), (36, 2438070), (40, 2194263), (45, 1950456), (54, 1625380), (60, 1462842), (72, 1219035), (90, 975228), (108, 812690), (120, 731421), (135, 650152), (180, 487614), (181, 484920), (216, 406345), (270, 325076), (360, 243807), (362, 242460), (449, 195480), (540, 162538), (543, 161640), (724, 121230), (898, 97740), (905, 96984), (1080, 81269), (1086, 80820), (1347, 65160), (1448, 60615), (1629, 53880), (1796, 48870), (1810, 48492), (2172, 40410), (2245, 39096), (2694, 32580), (2715, 32328), (3258, 26940), (3592, 24435), (3620, 24246), (4041, 21720), (4344, 20205), (4490, 19548), (4887, 17960), (5388, 16290), (5430, 16164), (6516, 13470), (6735, 13032), (7240, 12123), (8082, 10860), (8145, 10776), (8980, 9774)]