121479820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 330946560

約数和(自身を除く): 209466740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 59, 70, 77, 98, 110, 118, 140, 154, 191, 196, 220, 236, 245, 295, 308, 382, 385, 413, 490, 539, 590, 649, 764, 770, 826, 955, 980, 1078, 1180, 1298, 1337, 1540, 1652, 1910, 2065, 2101, 2156, 2596, 2674, 2695, 2891, 3245, 3820, 4130, 4202, 4543, 5348, 5390, 5782, 6490, 6685, 8260, 8404, 9086, 9359, 10505, 10780, 11269, 11564, 12980, 13370, 14455, 14707, 18172, 18718, 21010, 22538, 22715, 26740, 28910, 29414, 31801, 37436, 42020, 45076, 45430, 46795, 56345, 57820, 58828, 63602, 73535, 78883, 90860, 93590, 102949, 112690, 123959, 127204, 147070, 157766, 159005, 187180, 205898, 225380, 247918, 294140, 315532, 318010, 394415, 411796, 495836, 514745, 552181, 619795, 636020, 788830, 867713, 1029490, 1104362, 1239590, 1577660, 1735426, 2058980, 2208724, 2479180, 2760905, 3470852, 4338565, 5521810, 6073991, 8677130, 11043620, 12147982, 17354260, 24295964, 30369955, 60739910, 121479820]

約数ペア:

[(1, 121479820), (2, 60739910), (4, 30369955), (5, 24295964), (7, 17354260), (10, 12147982), (11, 11043620), (14, 8677130), (20, 6073991), (22, 5521810), (28, 4338565), (35, 3470852), (44, 2760905), (49, 2479180), (55, 2208724), (59, 2058980), (70, 1735426), (77, 1577660), (98, 1239590), (110, 1104362), (118, 1029490), (140, 867713), (154, 788830), (191, 636020), (196, 619795), (220, 552181), (236, 514745), (245, 495836), (295, 411796), (308, 394415), (382, 318010), (385, 315532), (413, 294140), (490, 247918), (539, 225380), (590, 205898), (649, 187180), (764, 159005), (770, 157766), (826, 147070), (955, 127204), (980, 123959), (1078, 112690), (1180, 102949), (1298, 93590), (1337, 90860), (1540, 78883), (1652, 73535), (1910, 63602), (2065, 58828), (2101, 57820), (2156, 56345), (2596, 46795), (2674, 45430), (2695, 45076), (2891, 42020), (3245, 37436), (3820, 31801), (4130, 29414), (4202, 28910), (4543, 26740), (5348, 22715), (5390, 22538), (5782, 21010), (6490, 18718), (6685, 18172), (8260, 14707), (8404, 14455), (9086, 13370), (9359, 12980), (10505, 11564), (10780, 11269)]