218575440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 781342848

約数和(自身を除く): 562767408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 67, 69, 72, 80, 90, 92, 115, 120, 134, 138, 144, 180, 184, 197, 201, 207, 230, 240, 268, 276, 335, 345, 360, 368, 394, 402, 414, 460, 536, 552, 591, 603, 670, 690, 720, 788, 804, 828, 920, 985, 1005, 1035, 1072, 1104, 1182, 1206, 1340, 1380, 1541, 1576, 1608, 1656, 1773, 1840, 1970, 2010, 2070, 2364, 2412, 2680, 2760, 2955, 3015, 3082, 3152, 3216, 3312, 3546, 3940, 4020, 4140, 4531, 4623, 4728, 4824, 5360, 5520, 5910, 6030, 6164, 7092, 7705, 7880, 8040, 8280, 8865, 9062, 9246, 9456, 9648, 11820, 12060, 12328, 13199, 13593, 13869, 14184, 15410, 15760, 16080, 16560, 17730, 18124, 18492, 22655, 23115, 23640, 24120, 24656, 26398, 27186, 27738, 28368, 30820, 35460, 36248, 36984, 39597, 40779, 45310, 46230, 47280, 48240, 52796, 54372, 55476, 61640, 65995, 67965, 69345, 70920, 72496, 73968, 79194, 81558, 90620, 92460, 105592, 108744, 110952, 118791, 123280, 131990, 135930, 138690, 141840, 158388, 163116, 181240, 184920, 197985, 203895, 211184, 217488, 221904, 237582, 263980, 271860, 277380, 303577, 316776, 326232, 362480, 369840, 395970, 407790, 475164, 527960, 543720, 554760, 593955, 607154, 633552, 652464, 791940, 815580, 910731, 950328, 1055920, 1087440, 1109520, 1187910, 1214308, 1517885, 1583880, 1631160, 1821462, 1900656, 2375820, 2428616, 2732193, 3035770, 3167760, 3262320, 3642924, 4553655, 4751640, 4857232, 5464386, 6071540, 7285848, 9107310, 9503280, 10928772, 12143080, 13660965, 14571696, 18214620, 21857544, 24286160, 27321930, 36429240, 43715088, 54643860, 72858480, 109287720, 218575440]

約数ペア:

[(1, 218575440), (2, 109287720), (3, 72858480), (4, 54643860), (5, 43715088), (6, 36429240), (8, 27321930), (9, 24286160), (10, 21857544), (12, 18214620), (15, 14571696), (16, 13660965), (18, 12143080), (20, 10928772), (23, 9503280), (24, 9107310), (30, 7285848), (36, 6071540), (40, 5464386), (45, 4857232), (46, 4751640), (48, 4553655), (60, 3642924), (67, 3262320), (69, 3167760), (72, 3035770), (80, 2732193), (90, 2428616), (92, 2375820), (115, 1900656), (120, 1821462), (134, 1631160), (138, 1583880), (144, 1517885), (180, 1214308), (184, 1187910), (197, 1109520), (201, 1087440), (207, 1055920), (230, 950328), (240, 910731), (268, 815580), (276, 791940), (335, 652464), (345, 633552), (360, 607154), (368, 593955), (394, 554760), (402, 543720), (414, 527960), (460, 475164), (536, 407790), (552, 395970), (591, 369840), (603, 362480), (670, 326232), (690, 316776), (720, 303577), (788, 277380), (804, 271860), (828, 263980), (920, 237582), (985, 221904), (1005, 217488), (1035, 211184), (1072, 203895), (1104, 197985), (1182, 184920), (1206, 181240), (1340, 163116), (1380, 158388), (1541, 141840), (1576, 138690), (1608, 135930), (1656, 131990), (1773, 123280), (1840, 118791), (1970, 110952), (2010, 108744), (2070, 105592), (2364, 92460), (2412, 90620), (2680, 81558), (2760, 79194), (2955, 73968), (3015, 72496), (3082, 70920), (3152, 69345), (3216, 67965), (3312, 65995), (3546, 61640), (3940, 55476), (4020, 54372), (4140, 52796), (4531, 48240), (4623, 47280), (4728, 46230), (4824, 45310), (5360, 40779), (5520, 39597), (5910, 36984), (6030, 36248), (6164, 35460), (7092, 30820), (7705, 28368), (7880, 27738), (8040, 27186), (8280, 26398), (8865, 24656), (9062, 24120), (9246, 23640), (9456, 23115), (9648, 22655), (11820, 18492), (12060, 18124), (12328, 17730), (13199, 16560), (13593, 16080), (13869, 15760), (14184, 15410)]