1818978240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:755

約数の個数: 224

約数和(自身を含む): 6154424064

約数和(自身を除く): 4335445824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 227, 240, 255, 272, 320, 340, 408, 454, 480, 491, 510, 544, 680, 681, 816, 908, 960, 982, 1020, 1088, 1135, 1360, 1362, 1473, 1632, 1816, 1964, 2040, 2270, 2455, 2720, 2724, 2946, 3264, 3405, 3632, 3859, 3928, 4080, 4540, 4910, 5440, 5448, 5892, 6810, 7264, 7365, 7718, 7856, 8160, 8347, 9080, 9820, 10896, 11577, 11784, 13620, 14528, 14730, 15436, 15712, 16320, 16694, 18160, 19295, 19640, 21792, 23154, 23568, 25041, 27240, 29460, 30872, 31424, 33388, 36320, 38590, 39280, 41735, 43584, 46308, 47136, 50082, 54480, 57885, 58920, 61744, 66776, 72640, 77180, 78560, 83470, 92616, 94272, 100164, 108960, 111457, 115770, 117840, 123488, 125205, 133552, 154360, 157120, 166940, 185232, 200328, 217920, 222914, 231540, 235680, 246976, 250410, 267104, 308720, 333880, 334371, 370464, 400656, 445828, 463080, 471360, 500820, 534208, 557285, 617440, 667760, 668742, 740928, 801312, 891656, 926160, 1001640, 1114570, 1234880, 1335520, 1337484, 1602624, 1671855, 1783312, 1852320, 1894769, 2003280, 2229140, 2671040, 2674968, 3343710, 3566624, 3704640, 3789538, 4006560, 4458280, 5349936, 5684307, 6687420, 7133248, 7579076, 8013120, 8916560, 9473845, 10699872, 11368614, 13374840, 15158152, 17833120, 18947690, 21399744, 22737228, 26749680, 28421535, 30316304, 35666240, 37895380, 45474456, 53499360, 56843070, 60632608, 75790760, 90948912, 106998720, 113686140, 121265216, 151581520, 181897824, 227372280, 303163040, 363795648, 454744560, 606326080, 909489120, 1818978240]

約数ペア:

[(1, 1818978240), (2, 909489120), (3, 606326080), (4, 454744560), (5, 363795648), (6, 303163040), (8, 227372280), (10, 181897824), (12, 151581520), (15, 121265216), (16, 113686140), (17, 106998720), (20, 90948912), (24, 75790760), (30, 60632608), (32, 56843070), (34, 53499360), (40, 45474456), (48, 37895380), (51, 35666240), (60, 30316304), (64, 28421535), (68, 26749680), (80, 22737228), (85, 21399744), (96, 18947690), (102, 17833120), (120, 15158152), (136, 13374840), (160, 11368614), (170, 10699872), (192, 9473845), (204, 8916560), (227, 8013120), (240, 7579076), (255, 7133248), (272, 6687420), (320, 5684307), (340, 5349936), (408, 4458280), (454, 4006560), (480, 3789538), (491, 3704640), (510, 3566624), (544, 3343710), (680, 2674968), (681, 2671040), (816, 2229140), (908, 2003280), (960, 1894769), (982, 1852320), (1020, 1783312), (1088, 1671855), (1135, 1602624), (1360, 1337484), (1362, 1335520), (1473, 1234880), (1632, 1114570), (1816, 1001640), (1964, 926160), (2040, 891656), (2270, 801312), (2455, 740928), (2720, 668742), (2724, 667760), (2946, 617440), (3264, 557285), (3405, 534208), (3632, 500820), (3859, 471360), (3928, 463080), (4080, 445828), (4540, 400656), (4910, 370464), (5440, 334371), (5448, 333880), (5892, 308720), (6810, 267104), (7264, 250410), (7365, 246976), (7718, 235680), (7856, 231540), (8160, 222914), (8347, 217920), (9080, 200328), (9820, 185232), (10896, 166940), (11577, 157120), (11784, 154360), (13620, 133552), (14528, 125205), (14730, 123488), (15436, 117840), (15712, 115770), (16320, 111457), (16694, 108960), (18160, 100164), (19295, 94272), (19640, 92616), (21792, 83470), (23154, 78560), (23568, 77180), (25041, 72640), (27240, 66776), (29460, 61744), (30872, 58920), (31424, 57885), (33388, 54480), (36320, 50082), (38590, 47136), (39280, 46308), (41735, 43584)]