123720660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:830

約数の個数: 144

約数和(自身を含む): 432432000

約数和(自身を除く): 308711340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 149, 180, 210, 252, 298, 315, 420, 447, 596, 630, 659, 745, 894, 1043, 1260, 1318, 1341, 1490, 1788, 1977, 2086, 2235, 2636, 2682, 2980, 3129, 3295, 3954, 4172, 4470, 4613, 5215, 5364, 5931, 6258, 6590, 6705, 7908, 8940, 9226, 9387, 9885, 10430, 11862, 12516, 13180, 13410, 13839, 15645, 18452, 18774, 19770, 20860, 23065, 23724, 26820, 27678, 29655, 31290, 37548, 39540, 41517, 46130, 46935, 55356, 59310, 62580, 69195, 83034, 92260, 93870, 98191, 118620, 138390, 166068, 187740, 196382, 207585, 276780, 294573, 392764, 415170, 490955, 589146, 687337, 830340, 883719, 981910, 1178292, 1374674, 1472865, 1767438, 1963820, 2062011, 2749348, 2945730, 3436685, 3534876, 4124022, 4418595, 5891460, 6186033, 6873370, 8248044, 8837190, 10310055, 12372066, 13746740, 17674380, 20620110, 24744132, 30930165, 41240220, 61860330, 123720660]

約数ペア:

[(1, 123720660), (2, 61860330), (3, 41240220), (4, 30930165), (5, 24744132), (6, 20620110), (7, 17674380), (9, 13746740), (10, 12372066), (12, 10310055), (14, 8837190), (15, 8248044), (18, 6873370), (20, 6186033), (21, 5891460), (28, 4418595), (30, 4124022), (35, 3534876), (36, 3436685), (42, 2945730), (45, 2749348), (60, 2062011), (63, 1963820), (70, 1767438), (84, 1472865), (90, 1374674), (105, 1178292), (126, 981910), (140, 883719), (149, 830340), (180, 687337), (210, 589146), (252, 490955), (298, 415170), (315, 392764), (420, 294573), (447, 276780), (596, 207585), (630, 196382), (659, 187740), (745, 166068), (894, 138390), (1043, 118620), (1260, 98191), (1318, 93870), (1341, 92260), (1490, 83034), (1788, 69195), (1977, 62580), (2086, 59310), (2235, 55356), (2636, 46935), (2682, 46130), (2980, 41517), (3129, 39540), (3295, 37548), (3954, 31290), (4172, 29655), (4470, 27678), (4613, 26820), (5215, 23724), (5364, 23065), (5931, 20860), (6258, 19770), (6590, 18774), (6705, 18452), (7908, 15645), (8940, 13839), (9226, 13410), (9387, 13180), (9885, 12516), (10430, 11862)]