221408880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11981}}^1$

素因数の和:12015

約数の個数: 160

約数和(自身を含む): 855802368

約数和(自身を除く): 634393488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1540, 1680, 1848, 2310, 2640, 3080, 3696, 4620, 6160, 9240, 11981, 18480, 23962, 35943, 47924, 59905, 71886, 83867, 95848, 119810, 131791, 143772, 167734, 179715, 191696, 239620, 251601, 263582, 287544, 335468, 359430, 395373, 419335, 479240, 503202, 527164, 575088, 658955, 670936, 718860, 790746, 838670, 922537, 958480, 1006404, 1054328, 1258005, 1317910, 1341872, 1437720, 1581492, 1677340, 1845074, 1976865, 2012808, 2108656, 2516010, 2635820, 2767611, 2875440, 3162984, 3354680, 3690148, 3953730, 4025616, 4612685, 5032020, 5271640, 5535222, 6325968, 6709360, 7380296, 7907460, 9225370, 10064040, 10543280, 11070444, 13838055, 14760592, 15814920, 18450740, 20128080, 22140888, 27676110, 31629840, 36901480, 44281776, 55352220, 73802960, 110704440, 221408880]

約数ペア:

[(1, 221408880), (2, 110704440), (3, 73802960), (4, 55352220), (5, 44281776), (6, 36901480), (7, 31629840), (8, 27676110), (10, 22140888), (11, 20128080), (12, 18450740), (14, 15814920), (15, 14760592), (16, 13838055), (20, 11070444), (21, 10543280), (22, 10064040), (24, 9225370), (28, 7907460), (30, 7380296), (33, 6709360), (35, 6325968), (40, 5535222), (42, 5271640), (44, 5032020), (48, 4612685), (55, 4025616), (56, 3953730), (60, 3690148), (66, 3354680), (70, 3162984), (77, 2875440), (80, 2767611), (84, 2635820), (88, 2516010), (105, 2108656), (110, 2012808), (112, 1976865), (120, 1845074), (132, 1677340), (140, 1581492), (154, 1437720), (165, 1341872), (168, 1317910), (176, 1258005), (210, 1054328), (220, 1006404), (231, 958480), (240, 922537), (264, 838670), (280, 790746), (308, 718860), (330, 670936), (336, 658955), (385, 575088), (420, 527164), (440, 503202), (462, 479240), (528, 419335), (560, 395373), (616, 359430), (660, 335468), (770, 287544), (840, 263582), (880, 251601), (924, 239620), (1155, 191696), (1232, 179715), (1320, 167734), (1540, 143772), (1680, 131791), (1848, 119810), (2310, 95848), (2640, 83867), (3080, 71886), (3696, 59905), (4620, 47924), (6160, 35943), (9240, 23962), (11981, 18480)]