18821040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:699

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 51888720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 659, 680, 714, 816, 840, 952, 1020, 1190, 1318, 1360, 1428, 1680, 1785, 1904, 1977, 2040, 2380, 2636, 2856, 3295, 3570, 3954, 4080, 4613, 4760, 5272, 5712, 6590, 7140, 7908, 9226, 9520, 9885, 10544, 11203, 13180, 13839, 14280, 15816, 18452, 19770, 22406, 23065, 26360, 27678, 28560, 31632, 33609, 36904, 39540, 44812, 46130, 52720, 55356, 56015, 67218, 69195, 73808, 78421, 79080, 89624, 92260, 110712, 112030, 134436, 138390, 156842, 158160, 168045, 179248, 184520, 221424, 224060, 235263, 268872, 276780, 313684, 336090, 369040, 392105, 448120, 470526, 537744, 553560, 627368, 672180, 784210, 896240, 941052, 1107120, 1176315, 1254736, 1344360, 1568420, 1882104, 2352630, 2688720, 3136840, 3764208, 4705260, 6273680, 9410520, 18821040]

約数ペア:

[(1, 18821040), (2, 9410520), (3, 6273680), (4, 4705260), (5, 3764208), (6, 3136840), (7, 2688720), (8, 2352630), (10, 1882104), (12, 1568420), (14, 1344360), (15, 1254736), (16, 1176315), (17, 1107120), (20, 941052), (21, 896240), (24, 784210), (28, 672180), (30, 627368), (34, 553560), (35, 537744), (40, 470526), (42, 448120), (48, 392105), (51, 369040), (56, 336090), (60, 313684), (68, 276780), (70, 268872), (80, 235263), (84, 224060), (85, 221424), (102, 184520), (105, 179248), (112, 168045), (119, 158160), (120, 156842), (136, 138390), (140, 134436), (168, 112030), (170, 110712), (204, 92260), (210, 89624), (238, 79080), (240, 78421), (255, 73808), (272, 69195), (280, 67218), (336, 56015), (340, 55356), (357, 52720), (408, 46130), (420, 44812), (476, 39540), (510, 36904), (560, 33609), (595, 31632), (659, 28560), (680, 27678), (714, 26360), (816, 23065), (840, 22406), (952, 19770), (1020, 18452), (1190, 15816), (1318, 14280), (1360, 13839), (1428, 13180), (1680, 11203), (1785, 10544), (1904, 9885), (1977, 9520), (2040, 9226), (2380, 7908), (2636, 7140), (2856, 6590), (3295, 5712), (3570, 5272), (3954, 4760), (4080, 4613)]