870810990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67979}}^1$

素因数の和:68057

約数の個数: 64

約数和(自身を含む): 2427701760

約数和(自身を除く): 1556890770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1830, 2135, 2562, 4270, 6405, 12810, 67979, 135958, 203937, 339895, 407874, 475853, 679790, 951706, 1019685, 1427559, 2039370, 2379265, 2855118, 4146719, 4758530, 7137795, 8293438, 12440157, 14275590, 20733595, 24880314, 29027033, 41467190, 58054066, 62200785, 87081099, 124401570, 145135165, 174162198, 290270330, 435405495, 870810990]

約数ペア:

[(1, 870810990), (2, 435405495), (3, 290270330), (5, 174162198), (6, 145135165), (7, 124401570), (10, 87081099), (14, 62200785), (15, 58054066), (21, 41467190), (30, 29027033), (35, 24880314), (42, 20733595), (61, 14275590), (70, 12440157), (105, 8293438), (122, 7137795), (183, 4758530), (210, 4146719), (305, 2855118), (366, 2379265), (427, 2039370), (610, 1427559), (854, 1019685), (915, 951706), (1281, 679790), (1830, 475853), (2135, 407874), (2562, 339895), (4270, 203937), (6405, 135958), (12810, 67979)]