218622720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 216

約数和(自身を含む): 745479504

約数和(自身を除く): 526856784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 197, 204, 240, 255, 256, 272, 289, 320, 340, 384, 394, 408, 480, 510, 544, 578, 591, 640, 680, 768, 788, 816, 867, 960, 985, 1020, 1088, 1156, 1182, 1280, 1360, 1445, 1576, 1632, 1734, 1920, 1970, 2040, 2176, 2312, 2364, 2720, 2890, 2955, 3152, 3264, 3349, 3468, 3840, 3940, 4080, 4335, 4352, 4624, 4728, 5440, 5780, 5910, 6304, 6528, 6698, 6936, 7880, 8160, 8670, 9248, 9456, 10047, 10880, 11560, 11820, 12608, 13056, 13396, 13872, 15760, 16320, 16745, 17340, 18496, 18912, 20094, 21760, 23120, 23640, 25216, 26792, 27744, 31520, 32640, 33490, 34680, 36992, 37824, 40188, 46240, 47280, 50235, 50432, 53584, 55488, 56933, 63040, 65280, 66980, 69360, 73984, 75648, 80376, 92480, 94560, 100470, 107168, 110976, 113866, 126080, 133960, 138720, 151296, 160752, 170799, 184960, 189120, 200940, 214336, 221952, 227732, 252160, 267920, 277440, 284665, 321504, 341598, 369920, 378240, 401880, 428672, 455464, 535840, 554880, 569330, 643008, 683196, 756480, 803760, 853995, 857344, 910928, 1071680, 1109760, 1138660, 1286016, 1366392, 1607520, 1707990, 1821856, 2143360, 2277320, 2572032, 2732784, 3215040, 3415980, 3643712, 4286720, 4554640, 5465568, 6430080, 6831960, 7287424, 9109280, 10931136, 12860160, 13663920, 14574848, 18218560, 21862272, 27327840, 36437120, 43724544, 54655680, 72874240, 109311360, 218622720]

約数ペア:

[(1, 218622720), (2, 109311360), (3, 72874240), (4, 54655680), (5, 43724544), (6, 36437120), (8, 27327840), (10, 21862272), (12, 18218560), (15, 14574848), (16, 13663920), (17, 12860160), (20, 10931136), (24, 9109280), (30, 7287424), (32, 6831960), (34, 6430080), (40, 5465568), (48, 4554640), (51, 4286720), (60, 3643712), (64, 3415980), (68, 3215040), (80, 2732784), (85, 2572032), (96, 2277320), (102, 2143360), (120, 1821856), (128, 1707990), (136, 1607520), (160, 1366392), (170, 1286016), (192, 1138660), (197, 1109760), (204, 1071680), (240, 910928), (255, 857344), (256, 853995), (272, 803760), (289, 756480), (320, 683196), (340, 643008), (384, 569330), (394, 554880), (408, 535840), (480, 455464), (510, 428672), (544, 401880), (578, 378240), (591, 369920), (640, 341598), (680, 321504), (768, 284665), (788, 277440), (816, 267920), (867, 252160), (960, 227732), (985, 221952), (1020, 214336), (1088, 200940), (1156, 189120), (1182, 184960), (1280, 170799), (1360, 160752), (1445, 151296), (1576, 138720), (1632, 133960), (1734, 126080), (1920, 113866), (1970, 110976), (2040, 107168), (2176, 100470), (2312, 94560), (2364, 92480), (2720, 80376), (2890, 75648), (2955, 73984), (3152, 69360), (3264, 66980), (3349, 65280), (3468, 63040), (3840, 56933), (3940, 55488), (4080, 53584), (4335, 50432), (4352, 50235), (4624, 47280), (4728, 46240), (5440, 40188), (5780, 37824), (5910, 36992), (6304, 34680), (6528, 33490), (6698, 32640), (6936, 31520), (7880, 27744), (8160, 26792), (8670, 25216), (9248, 23640), (9456, 23120), (10047, 21760), (10880, 20094), (11560, 18912), (11820, 18496), (12608, 17340), (13056, 16745), (13396, 16320), (13872, 15760)]