79989420

素因数分解:

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

素因数の和:712

約数の個数: 144

約数和(自身を含む): 272321280

約数和(自身を除く): 192331860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 289, 340, 357, 420, 476, 510, 578, 595, 659, 714, 867, 1020, 1156, 1190, 1318, 1428, 1445, 1734, 1785, 1977, 2023, 2380, 2636, 2890, 3295, 3468, 3570, 3954, 4046, 4335, 4613, 5780, 6069, 6590, 7140, 7908, 8092, 8670, 9226, 9885, 10115, 11203, 12138, 13180, 13839, 17340, 18452, 19770, 20230, 22406, 23065, 24276, 27678, 30345, 33609, 39540, 40460, 44812, 46130, 55356, 56015, 60690, 67218, 69195, 78421, 92260, 112030, 121380, 134436, 138390, 156842, 168045, 190451, 224060, 235263, 276780, 313684, 336090, 380902, 392105, 470526, 571353, 672180, 761804, 784210, 941052, 952255, 1142706, 1176315, 1333157, 1568420, 1904510, 2285412, 2352630, 2666314, 2856765, 3809020, 3999471, 4705260, 5332628, 5713530, 6665785, 7998942, 11427060, 13331570, 15997884, 19997355, 26663140, 39994710, 79989420]

約数ペア:

[(1, 79989420), (2, 39994710), (3, 26663140), (4, 19997355), (5, 15997884), (6, 13331570), (7, 11427060), (10, 7998942), (12, 6665785), (14, 5713530), (15, 5332628), (17, 4705260), (20, 3999471), (21, 3809020), (28, 2856765), (30, 2666314), (34, 2352630), (35, 2285412), (42, 1904510), (51, 1568420), (60, 1333157), (68, 1176315), (70, 1142706), (84, 952255), (85, 941052), (102, 784210), (105, 761804), (119, 672180), (140, 571353), (170, 470526), (204, 392105), (210, 380902), (238, 336090), (255, 313684), (289, 276780), (340, 235263), (357, 224060), (420, 190451), (476, 168045), (510, 156842), (578, 138390), (595, 134436), (659, 121380), (714, 112030), (867, 92260), (1020, 78421), (1156, 69195), (1190, 67218), (1318, 60690), (1428, 56015), (1445, 55356), (1734, 46130), (1785, 44812), (1977, 40460), (2023, 39540), (2380, 33609), (2636, 30345), (2890, 27678), (3295, 24276), (3468, 23065), (3570, 22406), (3954, 20230), (4046, 19770), (4335, 18452), (4613, 17340), (5780, 13839), (6069, 13180), (6590, 12138), (7140, 11203), (7908, 10115), (8092, 9885), (8670, 9226)]