71212890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10939}}^1$

素因数の和:10987

約数の個数: 64

約数和(自身を含む): 201646080

約数和(自身を除く): 130433190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 10939, 21878, 32817, 54695, 65634, 76573, 109390, 153146, 164085, 229719, 328170, 339109, 382865, 459438, 678218, 765730, 1017327, 1148595, 1695545, 2034654, 2297190, 2373763, 3391090, 4747526, 5086635, 7121289, 10173270, 11868815, 14242578, 23737630, 35606445, 71212890]

約数ペア:

[(1, 71212890), (2, 35606445), (3, 23737630), (5, 14242578), (6, 11868815), (7, 10173270), (10, 7121289), (14, 5086635), (15, 4747526), (21, 3391090), (30, 2373763), (31, 2297190), (35, 2034654), (42, 1695545), (62, 1148595), (70, 1017327), (93, 765730), (105, 678218), (155, 459438), (186, 382865), (210, 339109), (217, 328170), (310, 229719), (434, 164085), (465, 153146), (651, 109390), (930, 76573), (1085, 65634), (1302, 54695), (2170, 32817), (3255, 21878), (6510, 10939)]