221218560

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 288

約数和(自身を含む): 810895680

約数和(自身を除く): 589677120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 128, 135, 144, 148, 160, 173, 180, 185, 192, 216, 222, 240, 256, 270, 288, 296, 320, 333, 346, 360, 370, 384, 432, 444, 480, 519, 540, 555, 576, 592, 640, 666, 692, 720, 740, 768, 864, 865, 888, 960, 999, 1038, 1080, 1110, 1152, 1184, 1280, 1332, 1384, 1440, 1480, 1557, 1665, 1728, 1730, 1776, 1920, 1998, 2076, 2160, 2220, 2304, 2368, 2595, 2664, 2768, 2880, 2960, 3114, 3330, 3456, 3460, 3552, 3840, 3996, 4152, 4320, 4440, 4671, 4736, 4995, 5190, 5328, 5536, 5760, 5920, 6228, 6401, 6660, 6912, 6920, 7104, 7785, 7992, 8304, 8640, 8880, 9342, 9472, 9990, 10380, 10656, 11072, 11520, 11840, 12456, 12802, 13320, 13840, 14208, 15570, 15984, 16608, 17280, 17760, 18684, 19203, 19980, 20760, 21312, 22144, 23355, 23680, 24912, 25604, 26640, 27680, 28416, 31140, 31968, 32005, 33216, 34560, 35520, 37368, 38406, 39960, 41520, 42624, 44288, 46710, 47360, 49824, 51208, 53280, 55360, 57609, 62280, 63936, 64010, 66432, 71040, 74736, 76812, 79920, 83040, 85248, 93420, 96015, 99648, 102416, 106560, 110720, 115218, 124560, 127872, 128020, 132864, 142080, 149472, 153624, 159840, 166080, 172827, 186840, 192030, 199296, 204832, 213120, 221440, 230436, 249120, 255744, 256040, 288045, 298944, 307248, 319680, 332160, 345654, 373680, 384060, 398592, 409664, 426240, 460872, 498240, 512080, 576090, 597888, 614496, 639360, 664320, 691308, 747360, 768120, 819328, 864135, 921744, 996480, 1024160, 1152180, 1195776, 1228992, 1278720, 1382616, 1494720, 1536240, 1638656, 1728270, 1843488, 1992960, 2048320, 2304360, 2457984, 2765232, 2989440, 3072480, 3456540, 3686976, 4096640, 4608720, 4915968, 5530464, 5978880, 6144960, 6913080, 7373952, 8193280, 9217440, 11060928, 12289920, 13826160, 14747904, 18434880, 22121856, 24579840, 27652320, 36869760, 44243712, 55304640, 73739520, 110609280, 221218560]

約数ペア:

[(1, 221218560), (2, 110609280), (3, 73739520), (4, 55304640), (5, 44243712), (6, 36869760), (8, 27652320), (9, 24579840), (10, 22121856), (12, 18434880), (15, 14747904), (16, 13826160), (18, 12289920), (20, 11060928), (24, 9217440), (27, 8193280), (30, 7373952), (32, 6913080), (36, 6144960), (37, 5978880), (40, 5530464), (45, 4915968), (48, 4608720), (54, 4096640), (60, 3686976), (64, 3456540), (72, 3072480), (74, 2989440), (80, 2765232), (90, 2457984), (96, 2304360), (108, 2048320), (111, 1992960), (120, 1843488), (128, 1728270), (135, 1638656), (144, 1536240), (148, 1494720), (160, 1382616), (173, 1278720), (180, 1228992), (185, 1195776), (192, 1152180), (216, 1024160), (222, 996480), (240, 921744), (256, 864135), (270, 819328), (288, 768120), (296, 747360), (320, 691308), (333, 664320), (346, 639360), (360, 614496), (370, 597888), (384, 576090), (432, 512080), (444, 498240), (480, 460872), (519, 426240), (540, 409664), (555, 398592), (576, 384060), (592, 373680), (640, 345654), (666, 332160), (692, 319680), (720, 307248), (740, 298944), (768, 288045), (864, 256040), (865, 255744), (888, 249120), (960, 230436), (999, 221440), (1038, 213120), (1080, 204832), (1110, 199296), (1152, 192030), (1184, 186840), (1280, 172827), (1332, 166080), (1384, 159840), (1440, 153624), (1480, 149472), (1557, 142080), (1665, 132864), (1728, 128020), (1730, 127872), (1776, 124560), (1920, 115218), (1998, 110720), (2076, 106560), (2160, 102416), (2220, 99648), (2304, 96015), (2368, 93420), (2595, 85248), (2664, 83040), (2768, 79920), (2880, 76812), (2960, 74736), (3114, 71040), (3330, 66432), (3456, 64010), (3460, 63936), (3552, 62280), (3840, 57609), (3996, 55360), (4152, 53280), (4320, 51208), (4440, 49824), (4671, 47360), (4736, 46710), (4995, 44288), (5190, 42624), (5328, 41520), (5536, 39960), (5760, 38406), (5920, 37368), (6228, 35520), (6401, 34560), (6660, 33216), (6912, 32005), (6920, 31968), (7104, 31140), (7785, 28416), (7992, 27680), (8304, 26640), (8640, 25604), (8880, 24912), (9342, 23680), (9472, 23355), (9990, 22144), (10380, 21312), (10656, 20760), (11072, 19980), (11520, 19203), (11840, 18684), (12456, 17760), (12802, 17280), (13320, 16608), (13840, 15984), (14208, 15570)]