221358720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 256

約数和(自身を含む): 789626880

約数和(自身を除く): 568268160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 47, 48, 55, 60, 64, 66, 80, 88, 94, 96, 110, 120, 128, 132, 141, 160, 165, 176, 188, 192, 220, 223, 235, 240, 264, 282, 320, 330, 352, 376, 384, 440, 446, 470, 480, 517, 528, 564, 640, 660, 669, 704, 705, 752, 880, 892, 940, 960, 1034, 1056, 1115, 1128, 1320, 1338, 1408, 1410, 1504, 1551, 1760, 1784, 1880, 1920, 2068, 2112, 2230, 2256, 2453, 2585, 2640, 2676, 2820, 3008, 3102, 3345, 3520, 3568, 3760, 4136, 4224, 4460, 4512, 4906, 5170, 5280, 5352, 5640, 6016, 6204, 6690, 7040, 7136, 7359, 7520, 7755, 8272, 8920, 9024, 9812, 10340, 10481, 10560, 10704, 11280, 12265, 12408, 13380, 14272, 14718, 15040, 15510, 16544, 17840, 18048, 19624, 20680, 20962, 21120, 21408, 22560, 24530, 24816, 26760, 28544, 29436, 30080, 31020, 31443, 33088, 35680, 36795, 39248, 41360, 41924, 42816, 45120, 49060, 49632, 52405, 53520, 58872, 62040, 62886, 66176, 71360, 73590, 78496, 82720, 83848, 85632, 90240, 98120, 99264, 104810, 107040, 115291, 117744, 124080, 125772, 142720, 147180, 156992, 157215, 165440, 167696, 196240, 198528, 209620, 214080, 230582, 235488, 248160, 251544, 294360, 313984, 314430, 330880, 335392, 345873, 392480, 419240, 428160, 461164, 470976, 496320, 503088, 576455, 588720, 628860, 670784, 691746, 784960, 838480, 922328, 941952, 992640, 1006176, 1152910, 1177440, 1257720, 1341568, 1383492, 1569920, 1676960, 1729365, 1844656, 2012352, 2305820, 2354880, 2515440, 2766984, 3353920, 3458730, 3689312, 4024704, 4611640, 4709760, 5030880, 5533968, 6707840, 6917460, 7378624, 9223280, 10061760, 11067936, 13834920, 14757248, 18446560, 20123520, 22135872, 27669840, 36893120, 44271744, 55339680, 73786240, 110679360, 221358720]

約数ペア:

[(1, 221358720), (2, 110679360), (3, 73786240), (4, 55339680), (5, 44271744), (6, 36893120), (8, 27669840), (10, 22135872), (11, 20123520), (12, 18446560), (15, 14757248), (16, 13834920), (20, 11067936), (22, 10061760), (24, 9223280), (30, 7378624), (32, 6917460), (33, 6707840), (40, 5533968), (44, 5030880), (47, 4709760), (48, 4611640), (55, 4024704), (60, 3689312), (64, 3458730), (66, 3353920), (80, 2766984), (88, 2515440), (94, 2354880), (96, 2305820), (110, 2012352), (120, 1844656), (128, 1729365), (132, 1676960), (141, 1569920), (160, 1383492), (165, 1341568), (176, 1257720), (188, 1177440), (192, 1152910), (220, 1006176), (223, 992640), (235, 941952), (240, 922328), (264, 838480), (282, 784960), (320, 691746), (330, 670784), (352, 628860), (376, 588720), (384, 576455), (440, 503088), (446, 496320), (470, 470976), (480, 461164), (517, 428160), (528, 419240), (564, 392480), (640, 345873), (660, 335392), (669, 330880), (704, 314430), (705, 313984), (752, 294360), (880, 251544), (892, 248160), (940, 235488), (960, 230582), (1034, 214080), (1056, 209620), (1115, 198528), (1128, 196240), (1320, 167696), (1338, 165440), (1408, 157215), (1410, 156992), (1504, 147180), (1551, 142720), (1760, 125772), (1784, 124080), (1880, 117744), (1920, 115291), (2068, 107040), (2112, 104810), (2230, 99264), (2256, 98120), (2453, 90240), (2585, 85632), (2640, 83848), (2676, 82720), (2820, 78496), (3008, 73590), (3102, 71360), (3345, 66176), (3520, 62886), (3568, 62040), (3760, 58872), (4136, 53520), (4224, 52405), (4460, 49632), (4512, 49060), (4906, 45120), (5170, 42816), (5280, 41924), (5352, 41360), (5640, 39248), (6016, 36795), (6204, 35680), (6690, 33088), (7040, 31443), (7136, 31020), (7359, 30080), (7520, 29436), (7755, 28544), (8272, 26760), (8920, 24816), (9024, 24530), (9812, 22560), (10340, 21408), (10481, 21120), (10560, 20962), (10704, 20680), (11280, 19624), (12265, 18048), (12408, 17840), (13380, 16544), (14272, 15510), (14718, 15040)]