215643420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:532

約数の個数: 144

約数和(自身を含む): 684684000

約数和(自身を除く): 469040580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 109, 116, 145, 174, 180, 218, 261, 290, 327, 348, 379, 435, 436, 522, 545, 580, 654, 758, 870, 981, 1044, 1090, 1137, 1305, 1308, 1516, 1635, 1740, 1895, 1962, 2180, 2274, 2610, 3161, 3270, 3411, 3790, 3924, 4548, 4905, 5220, 5685, 6322, 6540, 6822, 7580, 9483, 9810, 10991, 11370, 12644, 13644, 15805, 17055, 18966, 19620, 21982, 22740, 28449, 31610, 32973, 34110, 37932, 41311, 43964, 47415, 54955, 56898, 63220, 65946, 68220, 82622, 94830, 98919, 109910, 113796, 123933, 131892, 142245, 164865, 165244, 189660, 197838, 206555, 219820, 247866, 284490, 329730, 371799, 395676, 413110, 494595, 495732, 568980, 619665, 659460, 743598, 826220, 989190, 1198019, 1239330, 1487196, 1858995, 1978380, 2396038, 2478660, 3594057, 3717990, 4792076, 5990095, 7188114, 7435980, 10782171, 11980190, 14376228, 17970285, 21564342, 23960380, 35940570, 43128684, 53910855, 71881140, 107821710, 215643420]

約数ペア:

[(1, 215643420), (2, 107821710), (3, 71881140), (4, 53910855), (5, 43128684), (6, 35940570), (9, 23960380), (10, 21564342), (12, 17970285), (15, 14376228), (18, 11980190), (20, 10782171), (29, 7435980), (30, 7188114), (36, 5990095), (45, 4792076), (58, 3717990), (60, 3594057), (87, 2478660), (90, 2396038), (109, 1978380), (116, 1858995), (145, 1487196), (174, 1239330), (180, 1198019), (218, 989190), (261, 826220), (290, 743598), (327, 659460), (348, 619665), (379, 568980), (435, 495732), (436, 494595), (522, 413110), (545, 395676), (580, 371799), (654, 329730), (758, 284490), (870, 247866), (981, 219820), (1044, 206555), (1090, 197838), (1137, 189660), (1305, 165244), (1308, 164865), (1516, 142245), (1635, 131892), (1740, 123933), (1895, 113796), (1962, 109910), (2180, 98919), (2274, 94830), (2610, 82622), (3161, 68220), (3270, 65946), (3411, 63220), (3790, 56898), (3924, 54955), (4548, 47415), (4905, 43964), (5220, 41311), (5685, 37932), (6322, 34110), (6540, 32973), (6822, 31610), (7580, 28449), (9483, 22740), (9810, 21982), (10991, 19620), (11370, 18966), (12644, 17055), (13644, 15805)]