27856290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 128

約数和(自身を含む): 86261760

約数和(自身を除く): 58405470

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 42, 55, 62, 66, 70, 77, 93, 105, 110, 154, 155, 165, 186, 210, 217, 231, 310, 330, 341, 385, 389, 434, 462, 465, 651, 682, 770, 778, 930, 1023, 1085, 1155, 1167, 1302, 1705, 1945, 2046, 2170, 2310, 2334, 2387, 2723, 3255, 3410, 3890, 4279, 4774, 5115, 5446, 5835, 6510, 7161, 8169, 8558, 10230, 11670, 11935, 12059, 12837, 13615, 14322, 16338, 21395, 23870, 24118, 25674, 27230, 29953, 35805, 36177, 40845, 42790, 59906, 60295, 64185, 71610, 72354, 81690, 84413, 89859, 120590, 128370, 132649, 149765, 168826, 179718, 180885, 253239, 265298, 299530, 361770, 397947, 422065, 449295, 506478, 663245, 795894, 844130, 898590, 928543, 1266195, 1326490, 1857086, 1989735, 2532390, 2785629, 3979470, 4642715, 5571258, 9285430, 13928145, 27856290]

約数ペア:

[(1, 27856290), (2, 13928145), (3, 9285430), (5, 5571258), (6, 4642715), (7, 3979470), (10, 2785629), (11, 2532390), (14, 1989735), (15, 1857086), (21, 1326490), (22, 1266195), (30, 928543), (31, 898590), (33, 844130), (35, 795894), (42, 663245), (55, 506478), (62, 449295), (66, 422065), (70, 397947), (77, 361770), (93, 299530), (105, 265298), (110, 253239), (154, 180885), (155, 179718), (165, 168826), (186, 149765), (210, 132649), (217, 128370), (231, 120590), (310, 89859), (330, 84413), (341, 81690), (385, 72354), (389, 71610), (434, 64185), (462, 60295), (465, 59906), (651, 42790), (682, 40845), (770, 36177), (778, 35805), (930, 29953), (1023, 27230), (1085, 25674), (1155, 24118), (1167, 23870), (1302, 21395), (1705, 16338), (1945, 14322), (2046, 13615), (2170, 12837), (2310, 12059), (2334, 11935), (2387, 11670), (2723, 10230), (3255, 8558), (3410, 8169), (3890, 7161), (4279, 6510), (4774, 5835), (5115, 5446)]