15291242120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{11519}}^1$

素因数の和:11979

約数の個数: 128

約数和(自身を含む): 42998169600

約数和(自身を除く): 27706927480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 431, 440, 616, 770, 862, 1540, 1724, 2155, 3017, 3080, 3448, 4310, 4741, 6034, 8620, 9482, 11519, 12068, 15085, 17240, 18964, 23038, 23705, 24136, 30170, 33187, 37928, 46076, 47410, 57595, 60340, 66374, 80633, 92152, 94820, 115190, 120680, 126709, 132748, 161266, 165935, 189640, 230380, 253418, 265496, 322532, 331870, 403165, 460760, 506836, 633545, 645064, 663740, 806330, 886963, 1013672, 1267090, 1327480, 1612660, 1773926, 2534180, 3225320, 3547852, 4434815, 4964689, 5068360, 7095704, 8869630, 9929378, 17739260, 19858756, 24823445, 34752823, 35478520, 39717512, 49646890, 54611579, 69505646, 99293780, 109223158, 139011292, 173764115, 198587560, 218446316, 273057895, 278022584, 347528230, 382281053, 436892632, 546115790, 695056460, 764562106, 1092231580, 1390112920, 1529124212, 1911405265, 2184463160, 3058248424, 3822810530, 7645621060, 15291242120]

約数ペア:

[(1, 15291242120), (2, 7645621060), (4, 3822810530), (5, 3058248424), (7, 2184463160), (8, 1911405265), (10, 1529124212), (11, 1390112920), (14, 1092231580), (20, 764562106), (22, 695056460), (28, 546115790), (35, 436892632), (40, 382281053), (44, 347528230), (55, 278022584), (56, 273057895), (70, 218446316), (77, 198587560), (88, 173764115), (110, 139011292), (140, 109223158), (154, 99293780), (220, 69505646), (280, 54611579), (308, 49646890), (385, 39717512), (431, 35478520), (440, 34752823), (616, 24823445), (770, 19858756), (862, 17739260), (1540, 9929378), (1724, 8869630), (2155, 7095704), (3017, 5068360), (3080, 4964689), (3448, 4434815), (4310, 3547852), (4741, 3225320), (6034, 2534180), (8620, 1773926), (9482, 1612660), (11519, 1327480), (12068, 1267090), (15085, 1013672), (17240, 886963), (18964, 806330), (23038, 663740), (23705, 645064), (24136, 633545), (30170, 506836), (33187, 460760), (37928, 403165), (46076, 331870), (47410, 322532), (57595, 265496), (60340, 253418), (66374, 230380), (80633, 189640), (92152, 165935), (94820, 161266), (115190, 132748), (120680, 126709)]