128522880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 192

約数和(自身を含む): 453253320

約数和(自身を除く): 324730440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 212, 240, 265, 288, 318, 320, 360, 384, 421, 424, 477, 480, 530, 576, 636, 640, 720, 795, 842, 848, 954, 960, 1060, 1152, 1263, 1272, 1440, 1590, 1684, 1696, 1908, 1920, 2105, 2120, 2385, 2526, 2544, 2880, 3180, 3368, 3392, 3789, 3816, 4210, 4240, 4770, 5052, 5088, 5760, 6315, 6360, 6736, 6784, 7578, 7632, 8420, 8480, 9540, 10104, 10176, 12630, 12720, 13472, 15156, 15264, 16840, 16960, 18945, 19080, 20208, 20352, 22313, 25260, 25440, 26944, 30312, 30528, 33680, 33920, 37890, 38160, 40416, 44626, 50520, 50880, 53888, 60624, 61056, 66939, 67360, 75780, 76320, 80832, 89252, 101040, 101760, 111565, 121248, 133878, 134720, 151560, 152640, 161664, 178504, 200817, 202080, 223130, 242496, 267756, 269440, 303120, 305280, 334695, 357008, 401634, 404160, 446260, 484992, 535512, 606240, 669390, 714016, 803268, 808320, 892520, 1004085, 1071024, 1212480, 1338780, 1428032, 1606536, 1785040, 2008170, 2142048, 2424960, 2677560, 2856064, 3213072, 3570080, 4016340, 4284096, 5355120, 6426144, 7140160, 8032680, 8568192, 10710240, 12852288, 14280320, 16065360, 21420480, 25704576, 32130720, 42840960, 64261440, 128522880]

約数ペア:

[(1, 128522880), (2, 64261440), (3, 42840960), (4, 32130720), (5, 25704576), (6, 21420480), (8, 16065360), (9, 14280320), (10, 12852288), (12, 10710240), (15, 8568192), (16, 8032680), (18, 7140160), (20, 6426144), (24, 5355120), (30, 4284096), (32, 4016340), (36, 3570080), (40, 3213072), (45, 2856064), (48, 2677560), (53, 2424960), (60, 2142048), (64, 2008170), (72, 1785040), (80, 1606536), (90, 1428032), (96, 1338780), (106, 1212480), (120, 1071024), (128, 1004085), (144, 892520), (159, 808320), (160, 803268), (180, 714016), (192, 669390), (212, 606240), (240, 535512), (265, 484992), (288, 446260), (318, 404160), (320, 401634), (360, 357008), (384, 334695), (421, 305280), (424, 303120), (477, 269440), (480, 267756), (530, 242496), (576, 223130), (636, 202080), (640, 200817), (720, 178504), (795, 161664), (842, 152640), (848, 151560), (954, 134720), (960, 133878), (1060, 121248), (1152, 111565), (1263, 101760), (1272, 101040), (1440, 89252), (1590, 80832), (1684, 76320), (1696, 75780), (1908, 67360), (1920, 66939), (2105, 61056), (2120, 60624), (2385, 53888), (2526, 50880), (2544, 50520), (2880, 44626), (3180, 40416), (3368, 38160), (3392, 37890), (3789, 33920), (3816, 33680), (4210, 30528), (4240, 30312), (4770, 26944), (5052, 25440), (5088, 25260), (5760, 22313), (6315, 20352), (6360, 20208), (6736, 19080), (6784, 18945), (7578, 16960), (7632, 16840), (8420, 15264), (8480, 15156), (9540, 13472), (10104, 12720), (10176, 12630)]