216920880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:540

約数の個数: 240

約数和(自身を含む): 809546400

約数和(自身を除く): 592625520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 61, 66, 72, 80, 88, 90, 99, 110, 120, 122, 132, 144, 165, 176, 180, 183, 198, 220, 240, 244, 264, 305, 330, 360, 366, 396, 440, 449, 488, 495, 528, 549, 610, 660, 671, 720, 732, 792, 880, 898, 915, 976, 990, 1098, 1220, 1320, 1342, 1347, 1464, 1584, 1796, 1830, 1980, 2013, 2196, 2245, 2440, 2640, 2684, 2694, 2745, 2928, 3355, 3592, 3660, 3960, 4026, 4041, 4392, 4490, 4880, 4939, 5368, 5388, 5490, 6039, 6710, 6735, 7184, 7320, 7920, 8052, 8082, 8784, 8980, 9878, 10065, 10736, 10776, 10980, 12078, 13420, 13470, 14640, 14817, 16104, 16164, 17960, 19756, 20130, 20205, 21552, 21960, 24156, 24695, 26840, 26940, 27389, 29634, 30195, 32208, 32328, 35920, 39512, 40260, 40410, 43920, 44451, 48312, 49390, 53680, 53880, 54778, 59268, 60390, 64656, 74085, 79024, 80520, 80820, 82167, 88902, 96624, 98780, 107760, 109556, 118536, 120780, 136945, 148170, 161040, 161640, 164334, 177804, 197560, 219112, 222255, 237072, 241560, 246501, 273890, 296340, 301279, 323280, 328668, 355608, 395120, 410835, 438224, 444510, 483120, 493002, 547780, 592680, 602558, 657336, 711216, 821670, 889020, 903837, 986004, 1095560, 1185360, 1205116, 1232505, 1314672, 1506395, 1643340, 1778040, 1807674, 1972008, 2191120, 2410232, 2465010, 2711511, 3012790, 3286680, 3556080, 3615348, 3944016, 4519185, 4820464, 4930020, 5423022, 6025580, 6573360, 7230696, 9038370, 9860040, 10846044, 12051160, 13557555, 14461392, 18076740, 19720080, 21692088, 24102320, 27115110, 36153480, 43384176, 54230220, 72306960, 108460440, 216920880]

約数ペア:

[(1, 216920880), (2, 108460440), (3, 72306960), (4, 54230220), (5, 43384176), (6, 36153480), (8, 27115110), (9, 24102320), (10, 21692088), (11, 19720080), (12, 18076740), (15, 14461392), (16, 13557555), (18, 12051160), (20, 10846044), (22, 9860040), (24, 9038370), (30, 7230696), (33, 6573360), (36, 6025580), (40, 5423022), (44, 4930020), (45, 4820464), (48, 4519185), (55, 3944016), (60, 3615348), (61, 3556080), (66, 3286680), (72, 3012790), (80, 2711511), (88, 2465010), (90, 2410232), (99, 2191120), (110, 1972008), (120, 1807674), (122, 1778040), (132, 1643340), (144, 1506395), (165, 1314672), (176, 1232505), (180, 1205116), (183, 1185360), (198, 1095560), (220, 986004), (240, 903837), (244, 889020), (264, 821670), (305, 711216), (330, 657336), (360, 602558), (366, 592680), (396, 547780), (440, 493002), (449, 483120), (488, 444510), (495, 438224), (528, 410835), (549, 395120), (610, 355608), (660, 328668), (671, 323280), (720, 301279), (732, 296340), (792, 273890), (880, 246501), (898, 241560), (915, 237072), (976, 222255), (990, 219112), (1098, 197560), (1220, 177804), (1320, 164334), (1342, 161640), (1347, 161040), (1464, 148170), (1584, 136945), (1796, 120780), (1830, 118536), (1980, 109556), (2013, 107760), (2196, 98780), (2245, 96624), (2440, 88902), (2640, 82167), (2684, 80820), (2694, 80520), (2745, 79024), (2928, 74085), (3355, 64656), (3592, 60390), (3660, 59268), (3960, 54778), (4026, 53880), (4041, 53680), (4392, 49390), (4490, 48312), (4880, 44451), (4939, 43920), (5368, 40410), (5388, 40260), (5490, 39512), (6039, 35920), (6710, 32328), (6735, 32208), (7184, 30195), (7320, 29634), (7920, 27389), (8052, 26940), (8082, 26840), (8784, 24695), (8980, 24156), (9878, 21960), (10065, 21552), (10736, 20205), (10776, 20130), (10980, 19756), (12078, 17960), (13420, 16164), (13470, 16104), (14640, 14817)]