131251120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 240

約数和(自身を含む): 415598400

約数和(自身を除く): 284347280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 121, 130, 140, 143, 149, 154, 176, 182, 208, 220, 242, 260, 280, 286, 298, 308, 364, 385, 440, 455, 484, 520, 560, 572, 596, 605, 616, 715, 728, 745, 770, 847, 880, 910, 968, 1001, 1040, 1043, 1144, 1192, 1210, 1232, 1430, 1456, 1490, 1540, 1573, 1639, 1694, 1820, 1936, 1937, 2002, 2086, 2288, 2384, 2420, 2860, 2980, 3080, 3146, 3278, 3388, 3640, 3874, 4004, 4172, 4235, 4840, 5005, 5215, 5720, 5960, 6160, 6292, 6556, 6776, 7280, 7748, 7865, 8008, 8195, 8344, 8470, 9680, 9685, 10010, 10430, 11011, 11440, 11473, 11920, 12584, 13112, 13552, 13559, 15496, 15730, 16016, 16390, 16688, 16940, 18029, 19370, 20020, 20860, 21307, 22022, 22946, 25168, 26224, 27118, 30992, 31460, 32780, 33880, 36058, 38740, 40040, 41720, 42614, 44044, 45892, 54236, 55055, 57365, 62920, 65560, 67760, 67795, 72116, 77480, 80080, 83440, 85228, 88088, 90145, 91784, 106535, 108472, 110110, 114730, 125840, 126203, 131120, 135590, 144232, 149149, 154960, 170456, 176176, 180290, 183568, 213070, 216944, 220220, 229460, 234377, 252406, 271180, 288464, 298298, 340912, 360580, 426140, 440440, 458920, 468754, 504812, 542360, 596596, 631015, 721160, 745745, 852280, 880880, 917840, 937508, 1009624, 1084720, 1171885, 1193192, 1262030, 1442320, 1491490, 1640639, 1704560, 1875016, 2019248, 2343770, 2386384, 2524060, 2982980, 3281278, 3750032, 4687540, 5048120, 5965960, 6562556, 8203195, 9375080, 10096240, 11931920, 13125112, 16406390, 18750160, 26250224, 32812780, 65625560, 131251120]

約数ペア:

[(1, 131251120), (2, 65625560), (4, 32812780), (5, 26250224), (7, 18750160), (8, 16406390), (10, 13125112), (11, 11931920), (13, 10096240), (14, 9375080), (16, 8203195), (20, 6562556), (22, 5965960), (26, 5048120), (28, 4687540), (35, 3750032), (40, 3281278), (44, 2982980), (52, 2524060), (55, 2386384), (56, 2343770), (65, 2019248), (70, 1875016), (77, 1704560), (80, 1640639), (88, 1491490), (91, 1442320), (104, 1262030), (110, 1193192), (112, 1171885), (121, 1084720), (130, 1009624), (140, 937508), (143, 917840), (149, 880880), (154, 852280), (176, 745745), (182, 721160), (208, 631015), (220, 596596), (242, 542360), (260, 504812), (280, 468754), (286, 458920), (298, 440440), (308, 426140), (364, 360580), (385, 340912), (440, 298298), (455, 288464), (484, 271180), (520, 252406), (560, 234377), (572, 229460), (596, 220220), (605, 216944), (616, 213070), (715, 183568), (728, 180290), (745, 176176), (770, 170456), (847, 154960), (880, 149149), (910, 144232), (968, 135590), (1001, 131120), (1040, 126203), (1043, 125840), (1144, 114730), (1192, 110110), (1210, 108472), (1232, 106535), (1430, 91784), (1456, 90145), (1490, 88088), (1540, 85228), (1573, 83440), (1639, 80080), (1694, 77480), (1820, 72116), (1936, 67795), (1937, 67760), (2002, 65560), (2086, 62920), (2288, 57365), (2384, 55055), (2420, 54236), (2860, 45892), (2980, 44044), (3080, 42614), (3146, 41720), (3278, 40040), (3388, 38740), (3640, 36058), (3874, 33880), (4004, 32780), (4172, 31460), (4235, 30992), (4840, 27118), (5005, 26224), (5215, 25168), (5720, 22946), (5960, 22022), (6160, 21307), (6292, 20860), (6556, 20020), (6776, 19370), (7280, 18029), (7748, 16940), (7865, 16688), (8008, 16390), (8195, 16016), (8344, 15730), (8470, 15496), (9680, 13559), (9685, 13552), (10010, 13112), (10430, 12584), (11011, 11920), (11440, 11473)]