220740520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 256

約数和(自身を含む): 689472000

約数和(自身を除く): 468731480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 37, 40, 44, 52, 55, 56, 65, 70, 74, 77, 88, 91, 104, 110, 130, 140, 143, 148, 149, 154, 182, 185, 220, 259, 260, 280, 286, 296, 298, 308, 364, 370, 385, 407, 440, 455, 481, 518, 520, 572, 596, 616, 715, 728, 740, 745, 770, 814, 910, 962, 1001, 1036, 1043, 1144, 1192, 1295, 1430, 1480, 1490, 1540, 1628, 1639, 1820, 1924, 1937, 2002, 2035, 2072, 2086, 2405, 2590, 2849, 2860, 2980, 3080, 3256, 3278, 3367, 3640, 3848, 3874, 4004, 4070, 4172, 4810, 5005, 5180, 5215, 5291, 5513, 5698, 5720, 5960, 6556, 6734, 7748, 8008, 8140, 8195, 8344, 9620, 9685, 10010, 10360, 10430, 10582, 11026, 11396, 11473, 13112, 13468, 13559, 14245, 15496, 16280, 16390, 16835, 19240, 19370, 20020, 20860, 21164, 21307, 22052, 22792, 22946, 26455, 26936, 27118, 27565, 28490, 32780, 33670, 37037, 38591, 38740, 40040, 41720, 42328, 42614, 44104, 45892, 52910, 54236, 55130, 56980, 57365, 60643, 65560, 67340, 67795, 71669, 74074, 77182, 77480, 85228, 91784, 105820, 106535, 108472, 110260, 113960, 114730, 121286, 134680, 135590, 143338, 148148, 149149, 154364, 170456, 185185, 192955, 211640, 213070, 220520, 229460, 242572, 271180, 286676, 296296, 298298, 303215, 308728, 358345, 370370, 385910, 424501, 426140, 458920, 485144, 501683, 542360, 573352, 596596, 606430, 716690, 740740, 745745, 771820, 788359, 849002, 852280, 1003366, 1193192, 1212860, 1433380, 1481480, 1491490, 1543640, 1576718, 1698004, 2006732, 2122505, 2425720, 2508415, 2866760, 2982980, 3153436, 3396008, 3941795, 4013464, 4245010, 5016830, 5518513, 5965960, 6306872, 7883590, 8490020, 10033660, 11037026, 15767180, 16980040, 20067320, 22074052, 27592565, 31534360, 44148104, 55185130, 110370260, 220740520]

約数ペア:

[(1, 220740520), (2, 110370260), (4, 55185130), (5, 44148104), (7, 31534360), (8, 27592565), (10, 22074052), (11, 20067320), (13, 16980040), (14, 15767180), (20, 11037026), (22, 10033660), (26, 8490020), (28, 7883590), (35, 6306872), (37, 5965960), (40, 5518513), (44, 5016830), (52, 4245010), (55, 4013464), (56, 3941795), (65, 3396008), (70, 3153436), (74, 2982980), (77, 2866760), (88, 2508415), (91, 2425720), (104, 2122505), (110, 2006732), (130, 1698004), (140, 1576718), (143, 1543640), (148, 1491490), (149, 1481480), (154, 1433380), (182, 1212860), (185, 1193192), (220, 1003366), (259, 852280), (260, 849002), (280, 788359), (286, 771820), (296, 745745), (298, 740740), (308, 716690), (364, 606430), (370, 596596), (385, 573352), (407, 542360), (440, 501683), (455, 485144), (481, 458920), (518, 426140), (520, 424501), (572, 385910), (596, 370370), (616, 358345), (715, 308728), (728, 303215), (740, 298298), (745, 296296), (770, 286676), (814, 271180), (910, 242572), (962, 229460), (1001, 220520), (1036, 213070), (1043, 211640), (1144, 192955), (1192, 185185), (1295, 170456), (1430, 154364), (1480, 149149), (1490, 148148), (1540, 143338), (1628, 135590), (1639, 134680), (1820, 121286), (1924, 114730), (1937, 113960), (2002, 110260), (2035, 108472), (2072, 106535), (2086, 105820), (2405, 91784), (2590, 85228), (2849, 77480), (2860, 77182), (2980, 74074), (3080, 71669), (3256, 67795), (3278, 67340), (3367, 65560), (3640, 60643), (3848, 57365), (3874, 56980), (4004, 55130), (4070, 54236), (4172, 52910), (4810, 45892), (5005, 44104), (5180, 42614), (5215, 42328), (5291, 41720), (5513, 40040), (5698, 38740), (5720, 38591), (5960, 37037), (6556, 33670), (6734, 32780), (7748, 28490), (8008, 27565), (8140, 27118), (8195, 26936), (8344, 26455), (9620, 22946), (9685, 22792), (10010, 22052), (10360, 21307), (10430, 21164), (10582, 20860), (11026, 20020), (11396, 19370), (11473, 19240), (13112, 16835), (13468, 16390), (13559, 16280), (14245, 15496)]