28861380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 98784000

約数和(自身を除く): 69922620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 29, 30, 36, 38, 45, 54, 57, 58, 60, 76, 87, 90, 95, 97, 108, 114, 116, 135, 145, 171, 174, 180, 190, 194, 228, 261, 270, 285, 290, 291, 342, 348, 380, 388, 435, 485, 513, 522, 540, 551, 570, 580, 582, 684, 783, 855, 870, 873, 970, 1026, 1044, 1102, 1140, 1164, 1305, 1455, 1566, 1653, 1710, 1740, 1746, 1843, 1940, 2052, 2204, 2565, 2610, 2619, 2755, 2813, 2910, 3132, 3306, 3420, 3492, 3686, 3915, 4365, 4959, 5130, 5220, 5238, 5510, 5529, 5626, 5820, 6612, 7372, 7830, 8265, 8439, 8730, 9215, 9918, 10260, 10476, 11020, 11058, 11252, 13095, 14065, 14877, 15660, 16530, 16587, 16878, 17460, 18430, 19836, 22116, 24795, 25317, 26190, 27645, 28130, 29754, 33060, 33174, 33756, 36860, 42195, 49590, 49761, 50634, 52380, 53447, 55290, 56260, 59508, 66348, 74385, 75951, 82935, 84390, 99180, 99522, 101268, 106894, 110580, 126585, 148770, 151902, 160341, 165870, 168780, 199044, 213788, 248805, 253170, 267235, 297540, 303804, 320682, 331740, 379755, 481023, 497610, 506340, 534470, 641364, 759510, 801705, 962046, 995220, 1068940, 1443069, 1519020, 1603410, 1924092, 2405115, 2886138, 3206820, 4810230, 5772276, 7215345, 9620460, 14430690, 28861380]

約数ペア:

[(1, 28861380), (2, 14430690), (3, 9620460), (4, 7215345), (5, 5772276), (6, 4810230), (9, 3206820), (10, 2886138), (12, 2405115), (15, 1924092), (18, 1603410), (19, 1519020), (20, 1443069), (27, 1068940), (29, 995220), (30, 962046), (36, 801705), (38, 759510), (45, 641364), (54, 534470), (57, 506340), (58, 497610), (60, 481023), (76, 379755), (87, 331740), (90, 320682), (95, 303804), (97, 297540), (108, 267235), (114, 253170), (116, 248805), (135, 213788), (145, 199044), (171, 168780), (174, 165870), (180, 160341), (190, 151902), (194, 148770), (228, 126585), (261, 110580), (270, 106894), (285, 101268), (290, 99522), (291, 99180), (342, 84390), (348, 82935), (380, 75951), (388, 74385), (435, 66348), (485, 59508), (513, 56260), (522, 55290), (540, 53447), (551, 52380), (570, 50634), (580, 49761), (582, 49590), (684, 42195), (783, 36860), (855, 33756), (870, 33174), (873, 33060), (970, 29754), (1026, 28130), (1044, 27645), (1102, 26190), (1140, 25317), (1164, 24795), (1305, 22116), (1455, 19836), (1566, 18430), (1653, 17460), (1710, 16878), (1740, 16587), (1746, 16530), (1843, 15660), (1940, 14877), (2052, 14065), (2204, 13095), (2565, 11252), (2610, 11058), (2619, 11020), (2755, 10476), (2813, 10260), (2910, 9918), (3132, 9215), (3306, 8730), (3420, 8439), (3492, 8265), (3686, 7830), (3915, 7372), (4365, 6612), (4959, 5820), (5130, 5626), (5220, 5529), (5238, 5510)]