27847820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 79688448

約数和(自身を除く): 51840628

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 107, 110, 130, 140, 143, 154, 169, 182, 214, 220, 260, 286, 308, 338, 364, 385, 428, 455, 535, 572, 676, 715, 749, 770, 845, 910, 1001, 1070, 1177, 1183, 1391, 1430, 1498, 1540, 1690, 1820, 1859, 2002, 2140, 2354, 2366, 2782, 2860, 2996, 3380, 3718, 3745, 4004, 4708, 4732, 5005, 5564, 5885, 5915, 6955, 7436, 7490, 8239, 9295, 9737, 10010, 11770, 11830, 13013, 13910, 14980, 15301, 16478, 18083, 18590, 19474, 20020, 23540, 23660, 26026, 27820, 30602, 32956, 36166, 37180, 38948, 41195, 48685, 52052, 61204, 65065, 72332, 76505, 82390, 90415, 97370, 107107, 126581, 130130, 153010, 164780, 180830, 194740, 198913, 214214, 253162, 260260, 306020, 361660, 397826, 428428, 506324, 535535, 632905, 795652, 994565, 1071070, 1265810, 1392391, 1989130, 2142140, 2531620, 2784782, 3978260, 5569564, 6961955, 13923910, 27847820]

約数ペア:

[(1, 27847820), (2, 13923910), (4, 6961955), (5, 5569564), (7, 3978260), (10, 2784782), (11, 2531620), (13, 2142140), (14, 1989130), (20, 1392391), (22, 1265810), (26, 1071070), (28, 994565), (35, 795652), (44, 632905), (52, 535535), (55, 506324), (65, 428428), (70, 397826), (77, 361660), (91, 306020), (107, 260260), (110, 253162), (130, 214214), (140, 198913), (143, 194740), (154, 180830), (169, 164780), (182, 153010), (214, 130130), (220, 126581), (260, 107107), (286, 97370), (308, 90415), (338, 82390), (364, 76505), (385, 72332), (428, 65065), (455, 61204), (535, 52052), (572, 48685), (676, 41195), (715, 38948), (749, 37180), (770, 36166), (845, 32956), (910, 30602), (1001, 27820), (1070, 26026), (1177, 23660), (1183, 23540), (1391, 20020), (1430, 19474), (1498, 18590), (1540, 18083), (1690, 16478), (1820, 15301), (1859, 14980), (2002, 13910), (2140, 13013), (2354, 11830), (2366, 11770), (2782, 10010), (2860, 9737), (2996, 9295), (3380, 8239), (3718, 7490), (3745, 7436), (4004, 6955), (4708, 5915), (4732, 5885), (5005, 5564)]