51995580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 182891520

約数和(自身を除く): 130895940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 89, 91, 105, 107, 130, 140, 156, 178, 182, 195, 210, 214, 260, 267, 273, 321, 356, 364, 390, 420, 428, 445, 455, 534, 535, 546, 623, 642, 749, 780, 890, 910, 1068, 1070, 1092, 1157, 1246, 1284, 1335, 1365, 1391, 1498, 1605, 1780, 1820, 1869, 2140, 2247, 2314, 2492, 2670, 2730, 2782, 2996, 3115, 3210, 3471, 3738, 3745, 4173, 4494, 4628, 5340, 5460, 5564, 5785, 6230, 6420, 6942, 6955, 7476, 7490, 8099, 8346, 8988, 9345, 9523, 9737, 11235, 11570, 12460, 13884, 13910, 14980, 16198, 16692, 17355, 18690, 19046, 19474, 20865, 22470, 23140, 24297, 27820, 28569, 29211, 32396, 34710, 37380, 38092, 38948, 40495, 41730, 44940, 47615, 48594, 48685, 57138, 58422, 66661, 69420, 80990, 83460, 95230, 97188, 97370, 114276, 116844, 121485, 123799, 133322, 142845, 146055, 161980, 190460, 194740, 199983, 242970, 247598, 266644, 285690, 292110, 333305, 371397, 399966, 485940, 495196, 571380, 584220, 618995, 666610, 742794, 799932, 866593, 999915, 1237990, 1333220, 1485588, 1733186, 1856985, 1999830, 2475980, 2599779, 3466372, 3713970, 3999660, 4332965, 5199558, 7427940, 8665930, 10399116, 12998895, 17331860, 25997790, 51995580]

約数ペア:

[(1, 51995580), (2, 25997790), (3, 17331860), (4, 12998895), (5, 10399116), (6, 8665930), (7, 7427940), (10, 5199558), (12, 4332965), (13, 3999660), (14, 3713970), (15, 3466372), (20, 2599779), (21, 2475980), (26, 1999830), (28, 1856985), (30, 1733186), (35, 1485588), (39, 1333220), (42, 1237990), (52, 999915), (60, 866593), (65, 799932), (70, 742794), (78, 666610), (84, 618995), (89, 584220), (91, 571380), (105, 495196), (107, 485940), (130, 399966), (140, 371397), (156, 333305), (178, 292110), (182, 285690), (195, 266644), (210, 247598), (214, 242970), (260, 199983), (267, 194740), (273, 190460), (321, 161980), (356, 146055), (364, 142845), (390, 133322), (420, 123799), (428, 121485), (445, 116844), (455, 114276), (534, 97370), (535, 97188), (546, 95230), (623, 83460), (642, 80990), (749, 69420), (780, 66661), (890, 58422), (910, 57138), (1068, 48685), (1070, 48594), (1092, 47615), (1157, 44940), (1246, 41730), (1284, 40495), (1335, 38948), (1365, 38092), (1391, 37380), (1498, 34710), (1605, 32396), (1780, 29211), (1820, 28569), (1869, 27820), (2140, 24297), (2247, 23140), (2314, 22470), (2492, 20865), (2670, 19474), (2730, 19046), (2782, 18690), (2996, 17355), (3115, 16692), (3210, 16198), (3471, 14980), (3738, 13910), (3745, 13884), (4173, 12460), (4494, 11570), (4628, 11235), (5340, 9737), (5460, 9523), (5564, 9345), (5785, 8988), (6230, 8346), (6420, 8099), (6942, 7490), (6955, 7476)]