31993380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 104569920

約数和(自身を除く): 72576540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 227, 243, 261, 270, 290, 324, 348, 405, 435, 454, 486, 522, 540, 580, 681, 783, 810, 870, 908, 972, 1044, 1135, 1215, 1305, 1362, 1566, 1620, 1740, 2043, 2270, 2349, 2430, 2610, 2724, 3132, 3405, 3915, 4086, 4540, 4698, 4860, 5220, 6129, 6583, 6810, 7047, 7830, 8172, 9396, 10215, 11745, 12258, 13166, 13620, 14094, 15660, 18387, 19749, 20430, 23490, 24516, 26332, 28188, 30645, 32915, 35235, 36774, 39498, 40860, 46980, 55161, 59247, 61290, 65830, 70470, 73548, 78996, 91935, 98745, 110322, 118494, 122580, 131660, 140940, 177741, 183870, 197490, 220644, 236988, 275805, 296235, 355482, 367740, 394980, 533223, 551610, 592470, 710964, 888705, 1066446, 1103220, 1184940, 1599669, 1777410, 2132892, 2666115, 3199338, 3554820, 5332230, 6398676, 7998345, 10664460, 15996690, 31993380]

約数ペア:

[(1, 31993380), (2, 15996690), (3, 10664460), (4, 7998345), (5, 6398676), (6, 5332230), (9, 3554820), (10, 3199338), (12, 2666115), (15, 2132892), (18, 1777410), (20, 1599669), (27, 1184940), (29, 1103220), (30, 1066446), (36, 888705), (45, 710964), (54, 592470), (58, 551610), (60, 533223), (81, 394980), (87, 367740), (90, 355482), (108, 296235), (116, 275805), (135, 236988), (145, 220644), (162, 197490), (174, 183870), (180, 177741), (227, 140940), (243, 131660), (261, 122580), (270, 118494), (290, 110322), (324, 98745), (348, 91935), (405, 78996), (435, 73548), (454, 70470), (486, 65830), (522, 61290), (540, 59247), (580, 55161), (681, 46980), (783, 40860), (810, 39498), (870, 36774), (908, 35235), (972, 32915), (1044, 30645), (1135, 28188), (1215, 26332), (1305, 24516), (1362, 23490), (1566, 20430), (1620, 19749), (1740, 18387), (2043, 15660), (2270, 14094), (2349, 13620), (2430, 13166), (2610, 12258), (2724, 11745), (3132, 10215), (3405, 9396), (3915, 8172), (4086, 7830), (4540, 7047), (4698, 6810), (4860, 6583), (5220, 6129)]