121454340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 400276800

約数和(自身を除く): 278822460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 109, 140, 147, 196, 210, 218, 245, 294, 327, 379, 420, 436, 490, 545, 588, 654, 735, 758, 763, 980, 1090, 1137, 1308, 1470, 1516, 1526, 1635, 1895, 2180, 2274, 2289, 2653, 2940, 3052, 3270, 3790, 3815, 4548, 4578, 5306, 5341, 5685, 6540, 7580, 7630, 7959, 9156, 10612, 10682, 11370, 11445, 13265, 15260, 15918, 16023, 18571, 21364, 22740, 22890, 26530, 26705, 31836, 32046, 37142, 39795, 41311, 45780, 53060, 53410, 55713, 64092, 74284, 79590, 80115, 82622, 92855, 106820, 111426, 123933, 159180, 160230, 165244, 185710, 206555, 222852, 247866, 278565, 289177, 320460, 371420, 413110, 495732, 557130, 578354, 619665, 826220, 867531, 1114260, 1156708, 1239330, 1445885, 1735062, 2024239, 2478660, 2891770, 3470124, 4048478, 4337655, 5783540, 6072717, 8096956, 8675310, 10121195, 12145434, 17350620, 20242390, 24290868, 30363585, 40484780, 60727170, 121454340]

約数ペア:

[(1, 121454340), (2, 60727170), (3, 40484780), (4, 30363585), (5, 24290868), (6, 20242390), (7, 17350620), (10, 12145434), (12, 10121195), (14, 8675310), (15, 8096956), (20, 6072717), (21, 5783540), (28, 4337655), (30, 4048478), (35, 3470124), (42, 2891770), (49, 2478660), (60, 2024239), (70, 1735062), (84, 1445885), (98, 1239330), (105, 1156708), (109, 1114260), (140, 867531), (147, 826220), (196, 619665), (210, 578354), (218, 557130), (245, 495732), (294, 413110), (327, 371420), (379, 320460), (420, 289177), (436, 278565), (490, 247866), (545, 222852), (588, 206555), (654, 185710), (735, 165244), (758, 160230), (763, 159180), (980, 123933), (1090, 111426), (1137, 106820), (1308, 92855), (1470, 82622), (1516, 80115), (1526, 79590), (1635, 74284), (1895, 64092), (2180, 55713), (2274, 53410), (2289, 53060), (2653, 45780), (2940, 41311), (3052, 39795), (3270, 37142), (3790, 32046), (3815, 31836), (4548, 26705), (4578, 26530), (5306, 22890), (5341, 22740), (5685, 21364), (6540, 18571), (7580, 16023), (7630, 15918), (7959, 15260), (9156, 13265), (10612, 11445), (10682, 11370)]