215821440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:535

約数の個数: 192

約数和(自身を含む): 755422200

約数和(自身を除く): 539600760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 120, 128, 144, 160, 178, 180, 192, 240, 267, 288, 320, 356, 360, 384, 421, 445, 480, 534, 576, 640, 712, 720, 801, 842, 890, 960, 1068, 1152, 1263, 1335, 1424, 1440, 1602, 1684, 1780, 1920, 2105, 2136, 2526, 2670, 2848, 2880, 3204, 3368, 3560, 3789, 4005, 4210, 4272, 5052, 5340, 5696, 5760, 6315, 6408, 6736, 7120, 7578, 8010, 8420, 8544, 10104, 10680, 11392, 12630, 12816, 13472, 14240, 15156, 16020, 16840, 17088, 18945, 20208, 21360, 25260, 25632, 26944, 28480, 30312, 32040, 33680, 34176, 37469, 37890, 40416, 42720, 50520, 51264, 53888, 56960, 60624, 64080, 67360, 74938, 75780, 80832, 85440, 101040, 102528, 112407, 121248, 128160, 134720, 149876, 151560, 161664, 170880, 187345, 202080, 224814, 242496, 256320, 269440, 299752, 303120, 337221, 374690, 404160, 449628, 484992, 512640, 562035, 599504, 606240, 674442, 749380, 808320, 899256, 1124070, 1199008, 1212480, 1348884, 1498760, 1686105, 1798512, 2248140, 2398016, 2424960, 2697768, 2997520, 3372210, 3597024, 4496280, 4796032, 5395536, 5995040, 6744420, 7194048, 8992560, 10791072, 11990080, 13488840, 14388096, 17985120, 21582144, 23980160, 26977680, 35970240, 43164288, 53955360, 71940480, 107910720, 215821440]

約数ペア:

[(1, 215821440), (2, 107910720), (3, 71940480), (4, 53955360), (5, 43164288), (6, 35970240), (8, 26977680), (9, 23980160), (10, 21582144), (12, 17985120), (15, 14388096), (16, 13488840), (18, 11990080), (20, 10791072), (24, 8992560), (30, 7194048), (32, 6744420), (36, 5995040), (40, 5395536), (45, 4796032), (48, 4496280), (60, 3597024), (64, 3372210), (72, 2997520), (80, 2697768), (89, 2424960), (90, 2398016), (96, 2248140), (120, 1798512), (128, 1686105), (144, 1498760), (160, 1348884), (178, 1212480), (180, 1199008), (192, 1124070), (240, 899256), (267, 808320), (288, 749380), (320, 674442), (356, 606240), (360, 599504), (384, 562035), (421, 512640), (445, 484992), (480, 449628), (534, 404160), (576, 374690), (640, 337221), (712, 303120), (720, 299752), (801, 269440), (842, 256320), (890, 242496), (960, 224814), (1068, 202080), (1152, 187345), (1263, 170880), (1335, 161664), (1424, 151560), (1440, 149876), (1602, 134720), (1684, 128160), (1780, 121248), (1920, 112407), (2105, 102528), (2136, 101040), (2526, 85440), (2670, 80832), (2848, 75780), (2880, 74938), (3204, 67360), (3368, 64080), (3560, 60624), (3789, 56960), (4005, 53888), (4210, 51264), (4272, 50520), (5052, 42720), (5340, 40416), (5696, 37890), (5760, 37469), (6315, 34176), (6408, 33680), (6736, 32040), (7120, 30312), (7578, 28480), (8010, 26944), (8420, 25632), (8544, 25260), (10104, 21360), (10680, 20208), (11392, 18945), (12630, 17088), (12816, 16840), (13472, 16020), (14240, 15156)]