28469880

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 100245600

約数和(自身を除く): 71775720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 81, 87, 90, 101, 108, 116, 120, 135, 145, 162, 174, 180, 202, 216, 232, 243, 261, 270, 290, 303, 324, 348, 360, 404, 405, 435, 486, 505, 522, 540, 580, 606, 648, 696, 783, 808, 810, 870, 909, 972, 1010, 1044, 1080, 1160, 1212, 1215, 1305, 1515, 1566, 1620, 1740, 1818, 1944, 2020, 2088, 2349, 2424, 2430, 2610, 2727, 2929, 3030, 3132, 3240, 3480, 3636, 3915, 4040, 4545, 4698, 4860, 5220, 5454, 5858, 6060, 6264, 7047, 7272, 7830, 8181, 8787, 9090, 9396, 9720, 10440, 10908, 11716, 11745, 12120, 13635, 14094, 14645, 15660, 16362, 17574, 18180, 18792, 21816, 23432, 23490, 24543, 26361, 27270, 28188, 29290, 31320, 32724, 35148, 35235, 36360, 40905, 43935, 46980, 49086, 52722, 54540, 56376, 58580, 65448, 70296, 70470, 79083, 81810, 87870, 93960, 98172, 105444, 109080, 117160, 122715, 131805, 140940, 158166, 163620, 175740, 196344, 210888, 237249, 245430, 263610, 281880, 316332, 327240, 351480, 395415, 474498, 490860, 527220, 632664, 711747, 790830, 948996, 981720, 1054440, 1186245, 1423494, 1581660, 1897992, 2372490, 2846988, 3163320, 3558735, 4744980, 5693976, 7117470, 9489960, 14234940, 28469880]

約数ペア:

[(1, 28469880), (2, 14234940), (3, 9489960), (4, 7117470), (5, 5693976), (6, 4744980), (8, 3558735), (9, 3163320), (10, 2846988), (12, 2372490), (15, 1897992), (18, 1581660), (20, 1423494), (24, 1186245), (27, 1054440), (29, 981720), (30, 948996), (36, 790830), (40, 711747), (45, 632664), (54, 527220), (58, 490860), (60, 474498), (72, 395415), (81, 351480), (87, 327240), (90, 316332), (101, 281880), (108, 263610), (116, 245430), (120, 237249), (135, 210888), (145, 196344), (162, 175740), (174, 163620), (180, 158166), (202, 140940), (216, 131805), (232, 122715), (243, 117160), (261, 109080), (270, 105444), (290, 98172), (303, 93960), (324, 87870), (348, 81810), (360, 79083), (404, 70470), (405, 70296), (435, 65448), (486, 58580), (505, 56376), (522, 54540), (540, 52722), (580, 49086), (606, 46980), (648, 43935), (696, 40905), (783, 36360), (808, 35235), (810, 35148), (870, 32724), (909, 31320), (972, 29290), (1010, 28188), (1044, 27270), (1080, 26361), (1160, 24543), (1212, 23490), (1215, 23432), (1305, 21816), (1515, 18792), (1566, 18180), (1620, 17574), (1740, 16362), (1818, 15660), (1944, 14645), (2020, 14094), (2088, 13635), (2349, 12120), (2424, 11745), (2430, 11716), (2610, 10908), (2727, 10440), (2929, 9720), (3030, 9396), (3132, 9090), (3240, 8787), (3480, 8181), (3636, 7830), (3915, 7272), (4040, 7047), (4545, 6264), (4698, 6060), (4860, 5858), (5220, 5454)]