191388720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:863

約数の個数: 160

約数和(自身を含む): 639334080

約数和(自身を除く): 447945360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 61, 68, 80, 85, 102, 120, 122, 136, 170, 183, 204, 240, 244, 255, 272, 305, 340, 366, 408, 488, 510, 610, 680, 732, 769, 816, 915, 976, 1020, 1037, 1220, 1360, 1464, 1538, 1830, 2040, 2074, 2307, 2440, 2928, 3076, 3111, 3660, 3845, 4080, 4148, 4614, 4880, 5185, 6152, 6222, 7320, 7690, 8296, 9228, 10370, 11535, 12304, 12444, 13073, 14640, 15380, 15555, 16592, 18456, 20740, 23070, 24888, 26146, 30760, 31110, 36912, 39219, 41480, 46140, 46909, 49776, 52292, 61520, 62220, 65365, 78438, 82960, 92280, 93818, 104584, 124440, 130730, 140727, 156876, 184560, 187636, 196095, 209168, 234545, 248880, 261460, 281454, 313752, 375272, 392190, 469090, 522920, 562908, 627504, 703635, 750544, 784380, 797453, 938180, 1045840, 1125816, 1407270, 1568760, 1594906, 1876360, 2251632, 2392359, 2814540, 3137520, 3189812, 3752720, 3987265, 4784718, 5629080, 6379624, 7974530, 9569436, 11258160, 11961795, 12759248, 15949060, 19138872, 23923590, 31898120, 38277744, 47847180, 63796240, 95694360, 191388720]

約数ペア:

[(1, 191388720), (2, 95694360), (3, 63796240), (4, 47847180), (5, 38277744), (6, 31898120), (8, 23923590), (10, 19138872), (12, 15949060), (15, 12759248), (16, 11961795), (17, 11258160), (20, 9569436), (24, 7974530), (30, 6379624), (34, 5629080), (40, 4784718), (48, 3987265), (51, 3752720), (60, 3189812), (61, 3137520), (68, 2814540), (80, 2392359), (85, 2251632), (102, 1876360), (120, 1594906), (122, 1568760), (136, 1407270), (170, 1125816), (183, 1045840), (204, 938180), (240, 797453), (244, 784380), (255, 750544), (272, 703635), (305, 627504), (340, 562908), (366, 522920), (408, 469090), (488, 392190), (510, 375272), (610, 313752), (680, 281454), (732, 261460), (769, 248880), (816, 234545), (915, 209168), (976, 196095), (1020, 187636), (1037, 184560), (1220, 156876), (1360, 140727), (1464, 130730), (1538, 124440), (1830, 104584), (2040, 93818), (2074, 92280), (2307, 82960), (2440, 78438), (2928, 65365), (3076, 62220), (3111, 61520), (3660, 52292), (3845, 49776), (4080, 46909), (4148, 46140), (4614, 41480), (4880, 39219), (5185, 36912), (6152, 31110), (6222, 30760), (7320, 26146), (7690, 24888), (8296, 23070), (9228, 20740), (10370, 18456), (11535, 16592), (12304, 15555), (12444, 15380), (13073, 14640)]