390252420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{74761}}^1$

素因数の和:74805

約数の個数: 72

約数和(自身を含む): 1224601560

約数和(自身を除く): 834349140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 74761, 149522, 224283, 299044, 373805, 448566, 672849, 747610, 897132, 1121415, 1345698, 1495220, 2168069, 2242830, 2691396, 3364245, 4336138, 4485660, 6504207, 6728490, 8672276, 10840345, 13008414, 13456980, 19512621, 21680690, 26016828, 32521035, 39025242, 43361380, 65042070, 78050484, 97563105, 130084140, 195126210, 390252420]

約数ペア:

[(1, 390252420), (2, 195126210), (3, 130084140), (4, 97563105), (5, 78050484), (6, 65042070), (9, 43361380), (10, 39025242), (12, 32521035), (15, 26016828), (18, 21680690), (20, 19512621), (29, 13456980), (30, 13008414), (36, 10840345), (45, 8672276), (58, 6728490), (60, 6504207), (87, 4485660), (90, 4336138), (116, 3364245), (145, 2691396), (174, 2242830), (180, 2168069), (261, 1495220), (290, 1345698), (348, 1121415), (435, 897132), (522, 747610), (580, 672849), (870, 448566), (1044, 373805), (1305, 299044), (1740, 224283), (2610, 149522), (5220, 74761)]